ASTM Seamless Pipe. Steel Pipe- Seamless Pipe- ASTM Seamless Pipe- Steel Grade Dimension. Standard Name Range

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1 ASTM Seamless Pipe Steel Pipe- Seamless Pipe- ASTM Seamless Pipe- Steel Grade Standard Dimension Steel Grade Standard Name No Range ASTM A53 Grade A, Grade B Black and Hot-Dipped, inch Zinc-Coated Seamless Pipe mm ASTM A106 Grade A, Grade B, Grade C Seamless Carbon Steel Pipe for NPS 1/8-NPS 48 High-Temperature Service DN6-DN1200 ASTM A161 Low Carbon Steel (LC), Grade T1 Seamless Low Carbon and 2-9 inch Carbon Molybdenum Steel mm Still Tubes for Refinery Service ASTM A179 Seamless Cold-Drawn Low-Carbon Steel 1/8-3 inch Heat-Exchanger and mm Condenser Tubes ASTM A192 Seamless Carbon Steel Boiler 1/2-7 inch Tubes For High-Pressure Service mm ASTM A199 T5, T9, T11, T22 Seamless Cold Drawn 1/8-3 inch Intermediate Alloy Steel Heat mm Exchanger and Condenser Tubes ASTM A209 Grade T1, Grade T1a, Grade T1b Seamless Carbon-Molybdenum 1/2-5 inch Alloy-Steel Boiler and mm Superheater Tubes ASTM A210 Grade A-1, Grade C Seamless Medium-Carbon Steel 1/2-5 inch Boiler and Superheater mm Tubes ASTM A213 T2, T5, T5b, T5c, T9, T11, T12, Seamless Ferritic and Austenitic 1/8-5 inch T17, T21, T22, T23, T24, T36, Alloy-Steel Boiler, Superheater, mm T91, T92, T122, T911 and Heat-Exchanger Tubes ASTM A252 Grade 1, Grade 2, Grade 3 Seamless Steel Pipe Piles 6-24 inch ASTM A333 Grade 1, Grade 3, Grade 4, Seamless Steel Pipe for inch Grade 6, Grade 7, Grade 8, Low-Temperature Service mm Grade 9, Grade 10, Grade 11 ASTM A334 Grade 1, Grade 3, Grade 6, Seamless Carbon and Alloy-Steel inch Grade 7, Grade 8 Tubes for Low-Temperature mm Grade 9, Grade 11 Service ASTM A335 P1, P2, P5, P5b, P5c, P9, Seamless Ferritic Alloy-Steel Pipe inch P11, P12, P15, P21, P22 for High-Temperature Service mm P23, P36, P91, P92, P122, P911 ASTM A423 Grade 1, Grade 2 Seamless Low-Alloy Steel Tubes 1/2-5 inch mm

2 ASTM Seamless Pipe ASTM A500 Grade A, Grade B, Grade C, Grade D Cold-Formed Seamless Carbon Steel Structural Tubing in Rounds and Shapes 64 inch 1630mm ASTM A501 Grade A, Grade B Hot-Formed Seamless Carbon SteelStructural Tubing NPS1/2-NPS24 MT 1010, MT 1015, MT X 1015, MT 1020, MT X1020,1008, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1025, 1026, 1030, 1035, 1040, 1045, 1050, 1518, 1524, 1541, 1330, 1335, 1340, 1345, 3140, E3310, 4012, 4023, 4024, 4027, 4028, 4037, 4042, 4047, 4063, 4118, 4130, 4135, 4137, 4140, 4142, 4145, 4147, 4150, 4320, 4337, E4337, 4340, E4340, 4422, 4427, 4520, 4615, 4617, 4620, 4621, 4718, 4720, 4815, 4817, 4820, 5015, 5046, 5115, 5120, ASTM A , 5132, 5135, 5140, 5145, 5147, Seamless Carbon and Alloy Steel Mechanical Tubing inch mm 5150, 5155, 5160, 52100, E50100, E51100, E52100, 6118, 6120, 6150, E7140, 8115, 8615, 8617, 8620, 8622, 8625, 8627, 8630, 8637, 8640, 8642, 8645, 8650, 8655, 8660, 8720, 8735, 8740, 8742, 8822, 9255, 9260, 9262, E9310, 9840, 9850, 50B40, 50B44, 50B46, 50B50, 50B60, 51B60, 81B45, 86B45, 94B15, 94B17, 94B30, 94B40, 1118, 11L18, 1132, 1137, 1141, 1144, 1213, 12L14, 1215

3 ASTM Seamless Pipe Plain End Seamless Steel Pipe for ASTM A523 Grade A, Grade B High-Pressure Pipe-Type Cable NPS4-NPS12 Circuits Seamless Carbon Steel Pipe for ASTM A524 Grade I, Grade II Atmospheric and Lower NPS1/8-NPS26 Temperatures ASTM A556 Grade A2, Grade B2, Grade C2 Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes 5/ inch mm ASTM A589 Grade A, Grade B Seamless Carbon Steel Water-Well Pipe 6-16 inch mm ASTM A795 Grade A, Grade B Black and Hot-Dipped Zinc-Coated Seamless Pipe for Fire Protection Use inch mm Steel Pipe- Seamless Pipe- ASTM Seamless Pipe- Dimension Outside Weight Wall NPS DN Schedule No. Diameter, Class Available Designator Designator Available Inch [mm] Available Inch [mm] 1/ [10.3] 40, 80 STD, XS [ ] 1/ [13.7] 40, 80 STD, XS [ ] 3/ [17.1] 40, 80 STD, XS [ ] 1/ [21.3] 40, 80, 160 STD, XS, XXS [ ] 3/ [26.7] 40, 80, 160 STD, XS, XXS [ ] [33.4] 40, 80, 160 STD, XS, XXS [ ] 1 1 / [42.2] 40, 80, 160 STD, XS, XXS [ ] 1 1 / [48.3] 40, 80, 160 STD, XS, XXS [ ] [60.3] 40, 80, 160 STD, XS, XXS [ ] 2 1 / [73.0] 40, 80, 160 STD, XS, XXS [ ] 3.000[76.2] [ ] [88.9] 40, 80, 160 STD, XS, XXS [ ] 3 1 / [101.6] 40, 80 STD, XS [ ] [114.3] 40, 80, 120, 160 STD, XS, XXS [ ] 5.000[127] [ ] 5.500[139.7] [ ] [141.3] 40, 80, 120, 160 STD, XS, XXS [ ] 6.000[152.4] [ ] [168.3] 40, 80, 120, 160 STD, XS, XXS [ ] 7.000[177.8] [ ] 8.000[203.2] [ ]

4 ASTM Seamless Pipe [219.1] 20, 30, 40, 60, 80, 100, 120, 140, 160 STD, XS, XXS [ ] 9.625[244.5] [ ] [254] [ ] [273.0] 20, 30, 40, 60, 80, 100, 120, 140, 160 STD, XS, XXS [ ] [304.8] [ ] [323.8] 20, 30, 40, 60, 80, 100, 120, 140, 160 STD, XS, XXS [ ] , 20, 30, 40, 60, , [355.6] 100, 120, 140, 160 STD, XS, XXS [ ] , 20, 30, 40, 60, , [406.4] 100, 120, 140, 160 STD, XS, XXS [ ] 10, 20, 30, 40, 60, [457] 80, STD, XS, XXS [ ] 100, 120, 140, [508] 10, 20, 30, 40, 60, 80, STD, XS, XXS [ ] 100, 120, 140, [558.8] [ ] [610] 10, 20, 30, 40, 60, 80, STD, XS, XXS [ ] 100, 120, 140, [660] 10, 20 STD, XS [ ] Standard ASTM A53 ASTM A106 Steel Pipe- Seamless Pipe- ASTM Seamless Pipe- Dimension Tolerance Tolerance Outside Diameter Wall Unit Weight 1.5 inch ±1/64 inch [0.4mm] ±12.5% ±10% 2 inch ±1% 1/8 1.5 inch ±1/64inch 6-40 mm [0.4mm] inch ±1/32inch +10% ±12.5% mm [mm] -3.5% 4-8 inch +1/16inch[1.6mm] mm -1/32inch[mm]

5 ASTM Seamless Pipe 8-18 inch mm +3/32inch[2.4mm] -1/32inch[mm] inch mm +1/8inch[3.2mm] -1/32inch[mm] inch mm +5/32inch[4.0mm] -1/32inch[mm] inch mm +3/16inch[4.8mm] -1/32inch[mm] ASTM A213 ±10% ASTM A252 ±1% ±12.5% 1/8-1.5 inch 6-40 mm >1.5-4 inch > mm >4-8 inch ASTM A335 > mm >8-12 inch > mm >12 inch >300mm 1.9 inch ASTM A500 ASTM A501 ASTM A519 For Round Hot-finished Tubing 48 mm 2.0 inch 50 mm 1.5 inch ±1/64inch[0.4mm] >1.5 inch ±1/32inch[0.79mm] 2.999inch 76.17mm ±0.02inch[0.51mm] inch mm ±0.025inch[0.64mm] inch mm ±0.031inch[0.79mm] inch mm ±0.037inch[0.94mm] inch mm ±0.045inch[1.14mm] inch ±0.050inch[1.27mm] ASTM A523 ±1% +1/64inch[0.40mm] -1/64inch[0.40mm] +1/32inch[0.79mm] 1/8-2.5inch 6-65mm +20% -12.5% -1/32inch[0.79mm] +1/16inch[1.59mm] >2.5inch -1/32inch[0.79mm] +22.5% 65mm, +3/32inch[2.38mm] -12.5% t/d 5% -1/32inch[0.79mm] ±1% >2.5inch +15.0% 65mm -12.5% t/d>5% ±0.5% 10% ±0.75% +15% -5% ±3.5%

6 ASTM Seamless Pipe ASTM A524 ASTM A556 ASTM A589 ASTM A795 1/8-1.5inch >1.5-4inch >4-8inch >8-18inch >18inch <1.0inch[25.4mm] inch mm <1.5inch +1/64inch[0.4mm] -1/32inch[mm] ±1/32[mm] +1/16inch[1.6mm] +6.5% -1/32inch[mm] ±12.5% -3.5% +3/32inch[2.4mm] -1/32inch[mm] +1/8inch[3.2mm] -1/32inch[mm] ±0.004inch 0.10mm +20% ±0.006inch mm ±1/64inch[0.4mm] 1.5inch ±1% <1.5inch ±1/64inch[0.4mm] 2inch ±1% ±5% ±12.5% ±5%

7 EN Seamless Pipe Standard No EN EN EN EN EN EN EN Steel Pipe- Seamless Pipe- EN Seamless Pipe- Steel Grade Steel Grade Standard Name L210GA, L235GA, L245GA, L290GA, L360GA, L245NB, L290NB, L360NB, Steel Pipes for Pipelines for L415NB, L360QB, L415QB, L450QB, Combustible Fluids L485QB, L555QB S235JRH, S275J0H, S275J2H, S355J0H, Hot Finished Structural S355J2H, S355K2H, S275NH, S275NLH, Hollow Sections of Non-alloy S355NH, S355NLH, S420NH, S420NLH, and Fine Grain Steels S460NH, S460NLH Seamless Steel Tubes for Pressure Purposes-1: P195TR1, P195TR2, P235TR1, Non-alloy Steel Tubes with P235TR2, P265TR1, P265TR2 Specified Room Temperature Properties P195GH, P235GH, P265GH, 20MnNb6, 16Mo3, 8MoB5-4, 14MoV6-3, 10CrMo5-5, 13CrMo4-5, Seamless Steel Tubes for 10CrMo9-10, 11CrMo9-10, Pressure Purposes-2: 25CrMo4, 20CrMoV13-5-5, Non-alloy and Alloy Steel 15NiCuMoNb5-6-4, X11CrMo5+1, Tubes with Specified Elevated X11CrMo5+NT1, X11CrMo5+NT2, Temperature Properties X11CrMo9-1+1, X11CrMo9-1+NT, X10CrMoVNb9-1, X20CrNiV11-1 P275NL1, P275NL2, P355N, P355NH, P355NL1, P355NL2, Seamless Steel Tubes for P460N, P460NH, P460NL1, P460NL2, Pressure Purposes-3: P620Q, P620QH, P620QL, P690Q, Alloy Fine Grain Steel Tubes P690QH, P690QL1, P690QL2 Seamless Steel Tubes for P215NL, P255QL, P265NL, Pressure Purposes-4: 26CrMo4-2, 11MnNi5-3, 13MnNi6-3, Non-alloy and Alloy Steel 12Ni14, X12Ni5, X10Ni9 Tubes with Specified Low Temperature Properties Non-alloy Steel Tubes and Fittings for the Conveyance of L235, L275, L355 Water and Other Aqueous Liquids Dimension Range mm mm mm mm mm mm mm

8 EN Seamless Pipe E235, E275, E315, E355, E470, E275K2, E355K2, E420J2, E460K2, Seamless Circular Steel Tubes E590K2, E730K2, C22E, C35E, C45E, for Mechanical and General EN C60E, Engineering Purposes-1: mm 38Mn6, 41Cr4, 25CrMo4, 30CrMo4, Non-alloy and Alloy 34CrMo4, 42CrMo4, 36CrNiMo4, Steel Tubes 30CrNiMo8, 41NiCrMo7-3-2 Steel Tubes for Precision EN E215, E235, E355 Applications-1: 4-260mm Seamless Cold Drawn Tubes Steel Tubes for Precision Applications-4: EN E215, E235, E355 Seamless Cold Drawn Tubes 4-80mm for Hydraulic and Pneumatic Power Systems Steel Pipe- Seamless Pipe- EN Seamless Pipe- Dimension Outside Diameter - D Wall - S Outside Diameter - D Wall - S Outside Diameter - D Wall - S Calculation of Unit Weight: W= * S * (D-S)

9 EN Seamless Pipe Standard EN EN Steel Pipe- Seamless Pipe- EN Seamless Pipe- Dimension Tolerance Tolerance on Dimension Outside Diameter Wall Length Outside Diameter D 60 60<D< SPAN> <D< SPAN> 1430 D>1430 Pipe except the end Pipe end T 4 ±0.6 ±0.5 ± % Random Length: 4<T<25 ±0.75%D ±0.5%D -12.5% See Tab le 1. Whichever Whichever is the is the -3.0 Fixed lengths shall greater greater or be delivered with a T 25 Tolerance of ±1%D ±2.0 ±10% Whichever ±500mm By By is the Agreement agreement greater ±1% with a minimum of ±0.5-10% See Tab le 2 and a maximum of ±10

10 EN Seamless Pipe L <L +15 EN See Tab le 3, Table (1, 2, 3, 4) +by L>12000 agreement 0 EN10224 ±1%D or ±0.5 whichever is the greater See Tab le 5 See Tab le 6 L <L +15 EN See Tab le by L>12000 agreement 0 L 500 a 500<L <L +5 ±10% or EN ±0.1mm ±0.05mm whichever is the greater 5000<L Whichever is the greater >8000 a a: an agreed unilateral tolerance is specified for the exact length. Tab le 1 Requirements for Random Length Groups in EN Length Group Length Range For 90% of Order Item 1) Minimum Average Length of Order Item (m) Shortest Length of Order Item r r r r ) The upper limit is the maximum value for the length of each individual pipe. Table 2 Tolerances on Manufacture s Delivered Length in EN Type of Length Range of Length or Length L Tolerance

11 EN Seamless Pipe Random length 4000<L< SPAN> 16000mm with a range of 2000 per order item 10% of sections supplied may be below the minimum for the ordered range but not shorter than 75% of the minimum range length Approximate length 4000mm L 16000mm ±500mm Exact length 2000mm L 6000mm -0, +10mm >6000mm -0, +15mm Table 3 Tolerances on Outside Diameter and Wall in EN (1, 2, 3, 4) Outside Diameter -D Tolerances on D Tolerances on T for a T/D ratio >0.025 > >0.10 D ±1% or ±0.5mm ±12.5% or ±0.4mm whichever is the greater D>219.1 whichever is the greater ±20% ±15% ±12.5% ±10% For outside diameters D mm it is permitted to exceed the upper wall thickness locally by a further 5% of the wall thickness T Table 4 Tolerances on Outside Diameter and Wall for Tubes Ordered Cold Finished in EN (1, 2, 3, 4) Tolerance on D Tolerance on T ±0.5% or ±0.3mm whichever is the greater ±10% or ±0.2mm whichever is the greater Table 5 Tolerances on for Seamless Tubes in EN Outside Tolerance on for T/D ratio (%) Diameter >2.5 > > D ±12.5% or ±0.4mm whichever is the greater D>219.1 ±20% ±15% ±12.5% ±10% Table 6 Tolerance for Exact Length in EN Length - L Tolerance on Length Tube outside diameter

12 EN Seamless Pipe <406.4mm 406.4mm 2000<L , +10mm -0, +25mm 6000<L , +15mm -0, +50mm L> , +by agreement Table 7 Tolerances on Outside Diameter and Wall in EN Outside Tolerances on T for a T/D ratio Tolerances on Diameter >0.025 D > D D ±1% or ±0.5mm ±12.5% or ±0.4mm whichever is the greater D>219.1 whichever is the greater ±20% ±15% ±12.5%

13 DIN Seamless Tube Steel Pipe- Seamless Pipe- DIN Seamless Tube- Standard Standard Dimension Steel Grade Standard Name No Range Seamless Circular Tubes of Non DIN 1630 St37.4, St44.4, St52.4 Alloy Steels With Very High mm Quality Requirements DIN St30Si, St30Al, St35, St45, St52 Seamless Precision Steel Tubes mm DIN 2440 St33.2 Steel Tubes Medium Weight Suitable for Screwing mm DIN 2441 St33.2 Steel Tubes Heavy Weight for Suitable for Screwing mm DIN St 52.4 Seamless Steel Tubes Subjected to Dynamic Loading-1 Hot Finished Tubes for Use in Fluid mm Power Systems, Rated for Pressures from 100 bar to 500 bar DIN St 37.4 Seamless Steel Tubes Subjected to Dynamic Loading-2 Precision Tubes for Use in Fluid Power 4-50mm Systems, Rated for Pressures from 100 bar to 500 bar DIN 2460 St35 Steel Pipes for Water Pipelines DN StE210.7, StE240.7, StE290.7, DIN StE320.7, StE360.7, StE385.7, Steel Pipes for Pipe Lines for the StE415.7, StE290.7TM, Transport of Combustible Fluids StE320.7TM, StE360.7TM, and Gases StE385.7TM, StE415.7TM, mm StE445.7TM, StE480.7TM DIN TTSt35N, TTSt35V, 26CrMo4, 11MnNi53, 13MnNi63, 10Ni14, Seamless Circular Tubes Made from Steels with Low mm 12Ni19, X8Ni19 Temperature Service DIN St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo910, 10CrMo910, 14MoV63, X20CrMoV121 Seamless Circular Tubes Made From Steels with Elevated Temperatures mm DIN CrMo4, 13CrMo44, 10CrMo910, Seamless Circular Steel Tubes for 12CrMo910, 12CrMo1210, Hydrogen Service at Elevated 12CrMo195, X12CrMo91, Temperatures and Pressures. 20CrMoV135, X20CrMoV mm

14 DIN Seamless Tube StE225, WStE255, TStE255, EStE255, StE285, WStE285, TStE285, DIN EStE285, StE355, WStE355, TStE355, EStE355, StE420, WStE420, TStE420, Seamless Circular Fine Grain Steel Tubes Subject To Special Requirements mm EStE420, StE460, WStE460, TStE460, EStE460 DIN St 37.0, St 35.8, TT St 35N, 15Mo3, 13CrMo4 4 Seamless Steel Tubes for Tubular Heat Exchangers 16-38mm Steel Pipe- Seamless Pipe- DIN Seamless Tube- Dimension Outside Diameter - D Wall - S Outside Diameter - D Wall - S Outside Diameter - D Wall - S Calculation of Unit Weight: W= * S * (D-S) Steel Pipe- Seamless Pipe- DIN Seamless Tube- Dimension Tolerance Tolerance Standard Outside Diameter Wall Length mm DIN 1630 See Tab le 1 See Tab le 2 See Tab le 3 DIN 2391 See Tab le 4 10% See Tab le 5 DIN 2440 See Tab le %, + A ±1m

15 DIN Seamless Tube DIN 2441 See Tab le %, + A ±1m DIN See Tab le % Fixed > % Length ±500 DIN See Tab le 1 See Tab le 2 See Tab le 3 DIN See Tab le 1 See Tab le 2 See Tab le 3 DIN See Tab le 8 See Tab le 2 See Tab le 3 DIN See Tab le 1 See Tab le 2 See Tab le 3 Outside Diameter Class 1 Class 2 Class , +5 >5000 DIN ±0.08 See Tab le 9-0, +10 Not ±0.50 Applicable By 38 ±0.15 >10000 agreement A: The upper limit is fixed by the permissible weight deviation. Table 1 Permissible Deviations in Outside Diameter in DIN 1630, DIN 17173, DIN 17175, DIN Outside Diameter - da Permissible Deviation in Diameter mm At Tube ends, Subject to Tube Barrel and Tube Ends Particular agreement <100 ±1% da; (values up to ±0.5mm are permitted) ±0.4mm 100 da<200 ±1% da ±0.5% da 200 ±1% da ±0.6% da Table 2 Permissible Deviations Wall in DIN 1630, DIN 17173, DIN 17175, DIN 17176, DIN Permissible Deviation in Wall for Outside Diameter, da. and Wall es, s da 130mm 130mm<da 320mm 320mm<da 660mm 0.05da<s 0.05da<s s 2 2<s 4 s>4 s 0.05da s>0.11da s 0.05da s>0.09da 0.11da 0.09da +5% +12.5% +17.5% +20% +15% +12.5% ±9% ±12.5% ±10% -10% -10% -12.5% -15% -12.5% -10% Tab le 3 Types of Length and Permissible Deviations in Length in DIN 1630, DIN 17173, DIN 17175, DIN 17176, DIN Type of Length Permissible Deviations in Length, mm Manufacturing Length By agreement Specified Length ±500 Exact 6m -0, +10 Length >6-12m -0, +15

16 DIN Seamless Tube >12m By agreement Table 4 Permissible Deviation in Outside Diameter in DIN 2391 Outside Diameter Permissible Deviation Outside Diameter Permissible Deviation Outside Diameter Permissible Deviation 4-10mm ±0.08mm 75-80mm ±0.35mm mm ±0.90mm 12-30mm ±0.1mm 85-90mm ±0.40mm mm ±1.0mm 32-40mm ±0.15mm mm ±0.45mm mm ±1.20mm 42-50mm ±0.20mm mm ±0.50mm 260mm ±1.30mm 55-60mm ±0.25mm mm ±0.70mm 65-70mm ±0.30mm mm ±0mm Table 5 Types of Length and Permissible Deviations in Length in DIN 2391 Type of Length Permissible Deviations in Length, mm Manufacturing Length By agreement Fixed Length <2000 ± % 500mm -0, +2 > mm -0, +3 Exact > , +5 Length > , +10 >7000 By agreement Tab le 6 Permissible Deviations in Outside Diameter in DIN 2440, DIN 2441 Outside Diameter Max Min Outside Diameter Max Min Table 7 Permissible Deviations in Outside Diameter in DIN Nominal Outside Max. Permissible Diameter Variation

17 DIN Seamless Tube Diameter - D Pipe Body Pipe End D<200 ±1%(Values up to ±0.5mm ±1%(Values up to ±0.5mm are permissible in all case) are permissible in all case) 200 D<500 ±1% ±0.7% 500 D ±1% 1.6mm Table 8 Permissible Deviations in Outside Diameter in DIN Manufacturing Process Limit Deviation of Outside Diameter Cold Forming ±0.75% 100mm ±0.75% Hot Forming > mm ±0.9% >320mm ±1.0% Table 9 Permissible Deviations in Wall in DIN Tube Outside Diameter Permissible Deviations In Wall for es Up to 2 Exceeding 2 Tolerance of Classes 1 and 2 ±0.20 ±10% of Wall Tolerance Class 3 ± %, +15% of Wall

18 JIS Seamless Pipe Steel Pipe- Seamless Pipe- JIS Seamless Pipe- Steel Grade Standard No Steel Grade Standard Name Seamless Steel Tubes JIS G3429 STH38, STH55, STH67 for High Pressure Gas Cylinder JIS G3439 Seamless Steel Oil Well STO-G, S TO-H, STO-J, STO-N, Casing, Tubing and STO-C, STO-D, STO-E Drill Pipe JIS G3441 SCr 420TK, SCM415TK, Alloy Steel Tubes for SCM418TK, SCM420TK, General Structural SCM430TK, SCM435TK, Purpose SCM440TK JIS G3444 Carbon Steel Tubes for STK 30, STK 41, STK 50, STK 51, General Structural STK 55 Purpose STKM11A, STKM12A, STKM12B, STKM12C, STKM13A, STKM13B, JIS G3445 STKM13C, STKM14A, STKM14B, Carbon Steel Tubes for STKM14C, STKM15A, STKM15C, Machine Structural STKM16A, STKM16C, STKM17A, Purposes STKM17C, STKM18A, STKM18B, STKM18C, STKM19A, STKM19C, STKM20A JIS G3454 STPG 38, STPG 42 Carbon Steel Pipes for Pressure Service JIS G3455 STS 38, STS 42, STS 49 Carbon Steel Pipes for High Pressure Service Carbon Steel Pipes for JIS G3456 STPT 38, STPT 42, STPT 49 High Temperature Service JIS G3458 STPA 12, STPA 20, STPA 22, Alloy Steel Pipes for STPA 23, STPA 24, STPA 25, Service STPA 26 JIS G3460 STPL 39, STPL 46, STPL 70 Steel Pipes for Low Temperature Service JIS G3461 STB 35, STB 42, STB 52 Carbon Steel Boiler and Heat Exchanger Tubes JIS G3462 STBA12, STBA13, STBA20, Alloy Steel Boiler and STBA22, STBA23, STBA24, Heat Exchanger Tubes STBA25, STBA26 Dimension Range mm mm mm mm mm mm mm mm

19 JIS Seamless Pipe JIS G3464 STBL 39, STBL46, STBL 70 JIS G3465 STM-C55, STM-C65, STM-R60, STM-R70, STM-R80, STM-R85 JIS G3467 STF 42, STFA12, STFA22, STFA23, STFA24, STFA25, STFA26 Steel Heat Exchanger Tubes for Low Temperature Service Seamless Steel Tubes for Drilling Steel Tubes for Fired Heater mm For Casing: mm For Hollow Pipes: mm For Drilling: mm mm Steel Pipe- Seamless Pipe- JIS Seamless Pipe- Dimension Outside Diameter - D Wall - S Outside Diameter - D Wall - S Outside Diameter - D Wall - S Calculation of Unit Weight: W= * S * (D-S)

20 JIS Seamless Pipe Steel Pipe- Seamless Pipe- JIS Seamless Pipe- Dimension Tolerance Tab le 1 Tolerance on Outside Diameter in JIS G3441, JIS G3444, JIS G3445 Application JIS G3441 JIS G3444 JIS G3445 JIS G3441 JIS G3444 JIS G3445 JIS G3441 JIS G3445 JIS G3441 Tolerance on Outside Diameter 50 ±0.5 >50 ±1% 50 ±0.25 >50 ±0.5% 25 ±0.12 >25-40 ±0.15 >40-50 ±0.18 >50-60 ±0.20 >60-70 ±0.23 >70-80 ±0.25 >80-90 ±0.30 > ±0.40 >100 ±0.5% 13 ±0.25 >13-25 ±0.40 >25-40 ±0.60 >40-65 ±0 >65-90 ±1.00 > ±1.20 >140 By agreement Table 2 Tolerance on Wall in JIS G3441, JIS G3444, JIS G3445 Application JIS G3441 JIS G3444 JIS G3445 JIS G3441 JIS G3444 JIS G3445 JIS G3441 JIS G3445 Tolerance on Wall 4-0.5, +0.6 >4-12.5%, +15% 3 ±0.3 >3 ±10% 2 ±0.15 >2 ±8%

21 JIS Seamless Pipe Table 3 Tolerance on Outside Diameter and Wall in JIS G3454 Application Tolerance on Outside Diameter Tolerance on Wall Hot Rolled Seamless Pipes Cold Drawn Seamless Pipes and Electric Resistant Welded Pipes <40A ±0.5mm +0.6mm 4mm >50A, <125A ±1% -0.5% 150A ±1.6mm >200A ±% +15% >4mm More than 350mm, the -12.5% Tolerance is ±0.5% <25A ±0.3mm 3mm ±0.3mm >32A ±% But more than 350mm, the >3mm ±10% Tolerance is ±0.5% Table 4 Tolerance on Outside Diameter and Wall in JIS G3455, JIS G3456, JIS G3458, JIS G3460 Application Tolerance on Outside Diameter Tolerance on Wall Hot Rolled Seamless Pipes Cold Drawn Seamless Pipes and Electric Resistant Welded Pipes 50mm ±0.5mm >50-160mm ±1% 4mm ±0.5mm > mm ±1.6mm >200mm ±% More than 350mm, the Tolerance is ±0.5% >4mm ±12.5% 40mm ±0.3mm 2mm ±0.2mm >40mm ±% More than 350mm, the >2mm ±10% Tolerance is ±0.5% Table 5 Tolerance on Outside Diameter in JIS G3461, JIS G3462, JIS G3464 Tolerance on Outside Diameter Outside Diameter Hot Rolled Seamless Pipes Seamless Pipes Through Quench and Normalized Cold Drawn Seamless Pipes through the Hot Treatment Except Quench and Normalized Electric Welded Pipes Except Cold Drawn Cold Drawn Electric Welded Pipes

22 JIS Seamless Pipe mm 25 ±0.25 ±0.10 ±0.15 ±0.10 >25-40 ±0.25 ±0.15 ±0.20 ±0.15 > ±0.25 ±0.20 ±0.25 ±0.20 > ±0.25 ±0.25 ±0.30 ±0.25 >60-80 ±0.30 ±0.30 ±0.40 ±0.30 > ±0.40 ± , ±0.40 > , , , , > , , , , > , , , , , > , , , , , Table 6 Tolerance on Wall in JIS G3461, JIS G3462, JIS G3464 Hot Rolled Seamless Pipe Cold Drawn Seamless Pipe Electric Welded Pipe Wall Outside Diameter, mm Outside Diameter, mm Outside Diameter, mm 100 > >40 40 >40 (%) 2-0, +0.4mm -0, +0.3mm > , > , +35-0, > , +33-0, +33 -, 0-0 >4.6-0, +28-0, +28 Table 7 Tolerance on the Length in JIS G3461, JIS G3462, JIS G3464 Item Tolerance on Length <7m -0, +7mm OD<50mm Every 3m increase in length, the plus tolerance shall be increased by 3mm 7m with a maximum of 15mm. <7m -0, +10mm OD 50mm Every 3m increase in length, the plus tolerance shall be increased by 3mm 7m with a maximum of 15mm. OD: Outside Diameter Table 8 Tolerance on Outside Diameter in JIS G3465 Application Tolerance on Outside Diameter 50 ±0.5 Hot Rolled >50 ±1% Cold Drawn 40 ±0.2

23 JIS Seamless Pipe >40 ±0.5%

24 GB Seamless Pipe Steel Pipe- Seamless Pipe- GB Seamless Pipe- Steel Grade Standard No Steel Grade Standard Name 10, 20, 35, 45, Q345, 40Mn2, 45Mn2, 27SiMn, 40MnB, 45MnB, 20Mn2B, 20Cr, 30Cr, 35Cr, 40Cr, 45Cr, 50Cr, 38CrSi, 12CrMo, 15CrMo, 20CrMo, GB/T CrMo, 42CrMo, 12CrMoV, Seamless Steel Tubes for 12Cr1MoV, 38CrMoAl, 50CrVA, Structural Purposes 20CrMn, 20CrMnSi, 30CrMnSi, 35CrMnSiA, 20CrMnTi, 30CrMnTi, 12CrNi2, 12CrNi3, 12CrNi4, 40CrNiMoA, 45CrNiMoVA GB/T , 20, Q295, Q345 Seamless Steel Tubes for Liquid Service GB/T , 20, 30, 45 Cold Drawn or Cold Rolled Precision Seamless Steel Tubes GB/T A High-pressure Seamless Steel Tubes for Diesel Engine Inside Diameter Required GB/T , 20, 35, 45 Precision Seamless Steel Tube for Hydraulic and Pneumatic Cylinder Use GB , 20 Seamless Steel Tubes for Low and Medium Pressure 20G, 20MnG, 25MnG, 15MoG, GB MoG, 12CrMoG, 15CrMoG, Seamless Steel Tubes for High 12Cr2MoG, 12Cr1MoVG, Pressure 12Cr2MoWVTiB, 12Cr3MoVSiTiB, 10Cr9Mo1VNb GB , 20, 12CrMo, 15CrMo, 1Cr2Mo, Seamless Steel Tubes for 1Cr5Mo Petroleum Cracking Seamless Hot-rolled Steel GB/T , 35, 45, 27SiMn, 30MnNbRE Tubes for Hydraulic Pillar Service Dimension Range mm mm mm 6-10 mm mm mm mm mm mm Outside Diameter - D Steel Pipe- Seamless Pipe- GB Seamless Pipe- Dimension Wall Outside Wall Outside Diameter Diameter - S - D - S - D Wall - S

25 GB Seamless Pipe Calculation of Unit Weight: W= * S * (D-S)

26 GB Seamless Pipe Steel Pipe- Seamless Pipe- GB Seamless Pipe- Dimension Tolerance GB/T 8162 Seamless Steel Tubes for Structural Purposes GB/T 8163 Seamless Steel Tubes for Liquid Service GB 3087 Seamless Steel Tubes for Low and Medium Pressure GB 5130 Seamless Steel Tubes for High Pressure GB 9948 Seamless Steel Tubes for Petroleum Cracking GB/T Seamless Hot-rolled Steel Tubes for Hydraulic Pillar Service GB/T 8162 Seamless Steel Tubes for Structural Purposes Type Diameter Tolerance Common High-level Outside <50 ±0.50mm ±0.40mm Diameter 50 ±1% ±0.75% Hot Rolled ±12.5% (With a Minimum ±10%( With a Minimum <4 Tube Wall of ±0.40mm) of ±0.30mm) %, +15% ±10% >20 ±12.5% ±10% 6-10 ±0.20mm ±0.10mm Outside >10-30 ±0.40mm ±0.20mm Cold Diameter >30-50 ±0.45mm ±0.25mm Drawn >50 ±1% ±0.5% (Rolled) 1 ±0.15mm ±0.12mm Tube Wall > %, +15% ±10% >3-10%, 12.5% ±10% Note: When the outside diameter of the Hot Rolled tubes is no less than 351mm, the tolerance on wall thickness is ±18%. Type Hot Rolled Tube Cold Drawn GB/T 8163 Seamless Steel Tubes for Liquid Service Diameter Tolerance Common High-level Outside ±1%( With a Minimum All Diameter of ±0.50) Wall -12.5%, +15%( With a Minimum All of -0.40, +0.45) Outside 6-10 ±0.20 ±0.15 Diameter >10-30 ±0.40 ±0.20

27 GB Seamless Pipe (Rolled) >30-50 ±0.45 ±0.30 Tube >50 ±1% ±% 1 ±0.15mm ±0.12 Wall > %, +15% -10%, +12.5% >3-10%, 12.5% ±10% Note: When the outside diameter of the Hot Rolled tubes is no less than 351mm, the tolerance on wall thickness is ±18%. Type Hot Rolled Tube Cold Drawn (Rolled) Tube GB 3087 Seamless Steel Tubes for Low and Medium Pressure Diameter Tolerance Common High-level ±1.0% ( With a ±0.75%( With a Outside 159 Minimum of ±0.50mm) Minimum of ±0.40mm) Diameter >159 ±1.0% ±0.90% -12.5%, +15.0% ±10%( With a Minimum 20 (With a Minimum Wall of ±0.30mm) of 0.35, +0.45mm) >20 ±12.5% ±10% D 351 ±15% >10-30 ±0.40mm ±0.20mm Outside >30-50 ±0.45mm ±0.25mm Diameter >50 ±1% ±0.75% Wall %, +15% ±10% >3.0-10%, +12.5% ±10% Type Hot Rolled Tube Cold Drawn GB 5130 Seamless Steel Tubes for High Pressure Diameter Tolerance Common High-level ±1.0%( With a ±0.75%( With a Outside 159 Minimum Minimum Diameter of ±0.5mm) of ±0.3mm) >159 ±1.0% ±0.90% Wall >20 Outside <3.5-10%, +15% (With a Minimum of -0.32, +0.48mm) ±10%( With a Minimum of ±0.2mm) %, +15% ±10% D<219 ±10% ±7.5% D %, +12.5% ±10% 30 ±0.20mm ±0.15mm Diameter >30-50 ±0.30mm ±0.25mm

28 GB Seamless Pipe (Rolled) Tube Wall >50 ±% ±0.6% %, +12% ±10% >3 ±10% ±7.5% GB 9948 Seamless Steel Tubes for Petroleum Cracking Type Diameter Tolerance Tolerance on Length (m) Outside 159 ±1.00% Hot Rolled Diameter >159 ±1.25% 4-12 ±0.02 Tube Wall 20 ±12.5% >20 ±10.0% 30 ±0.20 Cold Outside >30-50 ±0.30 Drawn Diameter >50 ±0.08% ±0.02 (Rolled) Wall 3-10%, +12% Tube >3 ±10% GB/T Seamless Hot-rolled Steel Tubes for Hydraulic Pillar Service Diameter Tolerance (%) Common High-level ±1 ±0.75 Wall 20 ±12.5 >20-10, ±10

29 Line Pipe Steel Pipe- API Standard Pipe- Line Pipe- Steel Grade Chemical Composition- PSL 1 Grade & Class C Mn S Ti P Seamless, % A25, Class I A25, Class II A B X X46, X52, X X X65, X Welded, % A25, Class I A25, Class II A B X X46, X52, X ,,, X X X Chemical Composition- PSL 2 Grade C Mn S Ti P Seamless, % B X X46, X52 X56, X X65, X70, X Welded, % B X X46, X52, X X X X

30 Line Pipe X Mechanical Capability - PSL 1 Yield Strength, Tensile Strength, Elongation Grade In 2 inch psi MPa psi MPa (5mm),, % A25 25, , a A 30, , a B 35, , a X42 42, , a X46 46, , a X52 52, , a X56 56, , a X60 60, , a X65 65, , a X70 70, , a Mechanical Capability - PSL 2 Yield Strength Tensile Strength Elongation Grade In 2 inch psi MPa psi MPa (5mm),, % B 35,000 60, , , a X42 42,000 60, , , a X46 46,000 63, , ,000, a X52 52,000 66, , , a X56 56,000 71, , , a X60 60,000 75, , , a X65 65,000 77, , , a X70 70,000 82, , , a X80 80,000 90, , , a

31 Line Pipe Size Steel Pipe- API Standard Pipe- Line Pipe- Dimension Standard-wall Threaded Line Pipe Dimensions and Weight Specified Outside Diameter - D Specified Wall - T inch mm inch mm / / / / / / / / /

32 Size Line Pipe Steel Pipe- API Standard Pipe- Line Pipe- Standard - API 5L Specification for Line Pipe Tolerances for Diameter of Pipe Body Tolerance (with respect to specified outside diameter) <2 3 / in, in. (+0.41mm, -mm) / 8 and 4 1 / 2, continuous welded ±1.00% Size 2 3 / 8 and <20 ±0.75% 20, seamless ±1.00% 20 and 36, welded +0.75%, -0.25% >36, welded +1/4in, -1/8in.(+6.4mm, -3.2mm) Tolerance Tolerance for Diameter at Pipe Ends End-to-End Tolerance Diameter, Axis Tolerance Out-of-Roundness Maximum Differential Between Minimum and Maximum Diameters (Applies only to Pipe with D/t 75) /64(0.4mm) / 4 +1/16(1.6mm) >10 3-1/32(mm) / 4 and 20 +3/32(2.4mm) >20 and 42 Size >42-1/32(mm) +3/32(2.4mm) -1/32(mm) +3/32(2.4mm) Type of Pipe b ±1% in.(12.7mm) b ±1% in.(15.9mm) Tolerances for Wall Tolerance (Percent of Specified Wall ) Grade B or Lower Grade X42 or Higher 2 7 / 8 All +20.0, , >2 7 / All , , Welded +17.5, , Seamless +15.0, , Tolerance for Weight Quantity Tolerance (%) Single lengths, special plain-end pipe or A25 pipe +10, -5.0 Single lengths, other pipe +10, -3.5 Carloads, Grade A25, 40,000 lb (18 144kg) or more -2.5 Carloads, other than Grade A25, 40,000 lb (18 144kg) or more Carloads, all grades, less than 40,000 lb (18 144kg) -3.5

33 Line Pipe Order items, Grade A25, 40,000 lb (18 144kg) or more -3.5 Order items, other than Grade A25, 40,000 lb (18 144kg) or more Order items, all grades, less than 40,000 lb (18 144kg) -3.5 Tolerances on Lengths Nominal Length Minimum Length Minimum Average Length For Each Order Item Maximum Length ft m ft m ft m ft m Threaded-and-coupled Pipe Plain-end Pipe

34 Casing Pipe & Oil Pipe Steel Pipe- API Standard Pipe- Casing Pipe & Oil Pipe- Steel Grade Total Hardness Tensile Specified Allowable Elongation Yield Steel Strength Wall Hardness Type Under Strength Grade MPa Variation Load MPa HRC HBW mm HRC % H J K N N80 Q M L L80 9Cr L80 13Cr C90 1, C90 1, C90 1, C90 1, C T95 1, T95 1, T95 1, T95 1, P Q b Q b Q b Steel Pipe- API Standard Pipe- Casing Pipe & Oil Pipe- Dimension ISO/API Casing Pipes Labels Outside Wall Labels Outside Wall 1 D inch 2 lb/ft Diameter D mm t mm 1 D inch 2 lb/ft Diameter D mm t mm 3-1/ / / / / / /

35 Casing Pipe & Oil Pipe 4-1/ / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /

36 Casing Pipe & Oil Pipe / / / / / / / / / / / / ISO/API Oil Pipes Labels Outside Wall 2 Diameter 1 NU EU IJ D t T&C T&C mm mm / / / / / / / / /

37 Casing Pipe & Oil Pipe 2-7/ / / / / / / / / / / / / / / / Steel Pipe- API Standard Pipe- Casing Pipe & Oil Pipe- End-finish Type of Steel Pipe Type of End-Finishing Labels ISO/API Casing Pipe ISO/API Oiled Pipe Plain end Short round thread Long round thread Buttress thread Extreme-line Plain end Non-upset threaded and coupled External upset threaded and coupled Integral joint P S L B E P N U I

38 Casing Pipe & Oil Pipe Steel Pipe- API Standard Pipe- Casing Pipe & Oil Pipe- Standard API SPEC 5CT API Round-thread Casing Coupling Dimensions, Tolerance and Masses Label a 1 Size Outside Diameter D mm Outside Diamete r W b,c mm Minimum Length Short N L mm Long N L Diamete r Of Recess Q d mm Short Mass 4-1/ / / Kg Long / / / / / / / Labe l a 1 Size Outside Diameter D mm API Buttress Thread Casing Coupling Dimensions, Tolerances and Masses Outside Diameter Regula r W b,c mm Special Clearance W C mm Minimum Length N L mm Diameter of Counterbor e Q mm Regular Mass (kg) Special Clearan 4-1/ / / / / / ce

39 10-3/ / / 8 Casing Pipe & Oil Pipe / Label 1 a API Non-upset Tubing Coupling Dimensions, Tolerances and Masses Size Outside Diameter D mm Outside Diameter W b mm Minimum Length N L mm Diamet er of recess Q mm Maximum Bearing Face Diameter Special Bevel Bf mm Mass kg / / Lab el 1 a / / Size Outside Diamete r D mm API External-upset Tubing Coupling Dimensions, Tolerances and Masses Outside Diameter Regul ar & Specia l Bevel W b mm Special Clearance W C C mm Minimu m Length N L mm Diameter of Recess Q mm Maximum Bearing Face Diameter Special Bevel mm Bf Special Clearan ce mm Regula r Mass kg Special Cleara nce

40 Casing Pipe & Oil Pipe / / / /

41 ASTM Square, Rectangular Tube Steel Pipe- Square, Rectangular Tube-ASTM Square, Rectangular Tube - Steel Grade Dimension Standard Range Steel Grade Standard Name No S -Square R -Rectangular ASTM A500 S: 1-30 inch Cold-Formed Welded [ mm] Grade A, Grade B, and Seamless Carbon R: 3X2-30X20 inch Grade C, Grade D Steel Structural Tubing [76.2X5- in Rounds and Shapes 750X500mm] S: 1-30 inch ASTM A501 Grade A, Grade B Hot-Formed Welded and Seamless Carbon Steel Structural Tubing [ mm] R: 3X2-30X20 inch [76.2X5 750X500mm] ASTM A512 S: 1-30 inch MT1010, MT1015, MTX1015, MT1020, Cold-Drawn Butt weld [ mm] MTX1020, 1008, 1010, 1012, 1015, 1016, Carbon Steel R: 3X2-30X20 inch 1018, 1019, 1020, 1021, 1025, 1026, Mechanical Tubing [76.2X5-1030, 1035, 1110, 1115, X500mm] ASTM A513 MT1010, MT1015, MTX1015, MT1020, S: 1-30inch MTX1020, 1008, 1009, 1010, 1012, 1015, Electric-Resistance [ mm] 1016, 1017, 1018, 1019, 1020, 1021, 1022, -Welded R: 3X2-30X20 inch 1023, 1024, 1025, 1026, 1027, 1030, 1033, Carbon and Alloy Steel [76.2X5 1035, 1040, 1050, 1060, 1340, 1524, 4118, Mechanical Tubing 750X500mm] 4130, 4140, 5130, 8620, 8630

42 ASTM A519 ASTM A787 ASTM Square, Rectangular Tube MT1010, MT1015, MTX1015, MT1020, MTX1020,1008, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1025, 1026, 1030, 1035, 1040, 1045, 1050, 1518, 1524, 1541, 1330, 1335, 1340, 1345, 3140, E3310, 4012, 4023, 4024, 4027, 4028, 4037, 4042, 4047, 4063, 4118, 4130, 4135, 4137, 4140, 4142, 4145, 4147, 4150, 4320, 4337, E4337, 4340, E4340, 4422, 4427, 4520, 4615, 4617, 4620, 4621, 4718, 4720, 4815, 4817, 4820, 5015, 5046, 5115, 5120, 5130, 5132, 5135, 5140, 5145, 5147, 5150, 5155, 5160, 52100, E50100, E51100, E52100, 6118, 6120, 6150, E7140, 8115, 8615, 8617, 8620, 8622, 8625, 8627, 8630, 8637, 8640, 8642, 8645, 8650, 8655, 8660, 8720, 8735, 8740, 8742, 8822, 9255, 9260, 9262, E9310, 9840, 9850, 50B40, 50B44, 50B46, 50B50, 50B60, 51B60, 81B45, 86B45, 94B15, 94B17, 94B30, 94B40, 1118, 11L18, 1132, 1137, 1141, 1144, 1213, 12L14, 1215 Seamless Carbon and Alloy Steel Mechanical Tubing S: 1-30 inch [ mm] R: 3X2-30X20 inch [76.2 by5 750X500mm] S: 1-30 inch Electric-Resistance MT1010, MT1015, MTX1015, MT1020, [ mm] -Welded Metallic-Coated MTX1020, 1008, 1010, 1015, 1016, 1017, R: 3X2-30X20 inch Carbon Steel 1018, 1019, 1020 [76.2 by5 Mechanical Tubing 750X500mm] Steel Pipe- Square, Rectangular Tube-ASTM Square, Rectangular Tube - Dimension Dimensions of Common Sizes of Square Structural Tubing Calculated Calculated Outside in Outside Nominal Nominal Dimensions Dimensions Wall Wall inch. inch. Inch. Inch. 1(25.4) ( ) 8(203.2) ( ) 1.5(38.1) ( ) 10(254.0) ( ) 2(5) ( ) 12(304.8) ( ) 2.13(54.0) ( ) 14(355.6) ( ) 2.17(55.1) ( ) 16(406.4) ( ) 2.5(63.5) ( ) 18(457.2) ( ) 3(76.2) ( ) 20(508.0) ( )

43 ASTM Square, Rectangular Tube 3.5(88.9) ( ) 22(558.8) ( ) 4(101.6) ( ) 24(609.6) ( ) 5(127.0) ( ) 26(660.4) ( ) 6(152.4) ( ) 28(711.2) ( ) 7(177.8) ( ) 30(762.0) ( ) Outside Dimensions inch. Dimensions of Common Sizes of Rectangular Structural Tubing Calculated Nominal Wall Inch. in Outside Dimensions inch. Calculated Nominal Wall Inch. 1X3 (25.4X76.2) ( ) 4X8 (101.6X203.2) ( ) 1.25X3 (31.8X76.2) ( ) 4X10 (101.6X254.0) ( ) 1.5X2.5 (38.1X63.5) ( ) 4X12 (101.6X304.8) ( ) 1.5X3 (38.1X76.2) ( ) 5X3 (127.0X76.2) ( ) 1.5X3.5 (38.1X88.9) ( ) 5X7 (127.0X177.8) ( ) 2X3 (5X76.2) ( ) 6X3 (152.4X76.2) ( ) 2X4 (5X101.6) ( ) 6X4 (152.4X101.6) ( ) 2X4.5 (5X114.3) ( ) 6X8 (152.4X203.2) ( ) 2X5 (5X127) ( ) 6X10 (152.4X25.4) ( ) 2X6 (5X152.4) ( ) 6X12 (152.4X304.8) ( ) 2X8 (5X203.2) ( ) 7X5 (177.8X127.0) ( ) 2X10 (5X254.0) ( ) 8X4 (203.2X101.6) ( ) 2X12 (5X304.8) ( ) 8X6 (203.2X152.4) ( ) 2 1 / 16 X2 1 / 8 (52.3X54.1) ( ) 8X10 (203.2X254.0) ( ) 2.5X3 (63.5X76.2) ( ) 8X12 (203.2X304.8) ( ) 2.5X3.5 (63.5X88.9) ( ) 10X4 (254.0X101.6) ( ) 3X2 (76.2X5) ( ) 10X6 (254.0X152.4) ( ) 3X4 (76.2X101.6) ( ) 12X8 (304.8X203.2) ( ) 3X5 (76.2X127.0) ( ) 16X8 (406.4X203.2) ( ) 3X6 (76.2X152.4) ( ) 18X10 (457.2X254.0) ( ) 3X7 (76.2X177.8) ( ) 20X12 (508.0X304.8) ( ) 3X8 (76.2X203.2) ( ) 22X14 (550.0X350.0) ( ) 4X2 (101.6X5) ( ) 24X16 (600.0X400.0) ( ) 4X3 (101.6X76.2) ( ) 26X18 (650.0X450.0) ( ) 4X6 (101.6X152.4) ( ) 30X20 (750.0X500.0) ( ) 4X7 (101.6X177.8) ( ) Steel Pipe- Square, Rectangular Tube-ASTM Square, Rectangular Tube - Dimension Tolerance Standard Tolerance

44 ASTM Square, Rectangular Tube No Wall Outside Dimension Length 2.5inch (65mm) > inch (65-90mm) ASTM A500 > inch (90-140mm) >5.5inch (140mm) 2.5inch (63.5mm) > inch ( mm) > inch ASTM A501 ( mm) >5.5-10inch ( mm) >10inch (254mm) ±0.02inch +1/2inch (0.5mm) 22ft (13mm) ±0.025inch (0.6mm) ±0.03inch (mm) ±1% ±0.02inch (0.51mm) ±0.025inch (0.64mm) ±0.03inch (0.76mm) ±1% ±2% ASTM A512 See Tab le 1 2.5inch ±0.010inch ASTM A513 >2.5-4inch ±0.015inch >4-8inch ±0.025ich (6.5m) -1/4inch ±10% (6mm) +3/4inch >22ft (19mm) (6.5mm) -1/4inch (6mm) +1/2inch 22ft (13mm) (6.5m) -1/4inch (6mm) ±10% +3/4inch >22ft (19mm) (6.5mm) -1/4inch (6mm) 3ft(0.9m) ±1/16 (1.6mm) >3-12ft ±1/32 ( m) (2.4mm) >12-20ft ±1/8 ( m) (3.2mm) >20-30ft ±3/16 ( m) (4.8mm) >30-40ft ±3/8inch ( m) (9.5mm) 1-3ft ±1/16inch >3-12ft ±3/32inch ±10% >12-20ft ±1/8inch >20-30ft ±3/16inch >30-40ft ±3/8inch 1-4ft ( m) -0, +1/8inch (3.2mm) ASTM A519 See Tab le 2 ±10% >4-12ft -0, +3/16inch ( m) (4.8mm) >12 (3.7m) -0, +1/4inch (6.4mm) ASTM A inch ±0.010inch 1-3ft ±1/16inch ±10% >2.5-4inch ±0.015inch >3-12ft ±3/32inch

45 ASTM Square, Rectangular Tube >12-20ft >4-8inch ±0.025ich >20-30ft >30-40ft ±1/8inch ±3/16inch ±1/4inch Table 1 Outside Dimension and Wall Tolerance for Square and Rectangular Tubing in ASTM A512 Largest Outside Outside Dimension, Wall Wall Dimension Including Convexity or Tolerance, ±, % Across Flats Concavity, Sink Mandrel inch inch inch ±, % ±, % 3/4 >0.065 ± >3/ <0.156 ± >3/ ± > <0.156 ± > ± mm mm mm ±, % ±, % 19.0 >1.65 ± > <3.96 ± > ± > <3.96 ± > ± Table 2 Tolerance for Outside Dimension of Square and Rectangular Cold-Finished Tubing in ASTM A519 Largest Outside Tolerances for Outside Dimension, Wall Dimension Across Flats Including Convexity or Concavity in, in, in, 3/4 (19.0) (1.65) ±0.015 (0.38) 3/4 (19.0) >0.065 (1.65) ±0.010 (0.25) >3/ ( ) All thicknesses ±0.015 (0.38) > ( ) All thicknesses ±0.020 (0.51) > ( ) (1.65) ±0.030 (0.76) > ( ) >0.065 (1.65) ±0.025 (0.64) > ( ) All thicknesses ±0.030 (0.76) > ( ) All thicknesses ±1%

46 EN Square, Rectangular Tube Steel Pipe- Square, Rectangular Tube-EN Square, Rectangular Tube - Steel Grade Dimension Standard Range Steel Grade Standard Name No S -Square R -Rectangular S235JRH, S275J0H, S275J2H, Hot Finished Structural S355J0H, S355J2H, S355K2H, S: mm Hollow Sections of EN S275NH, S275NLH, S355NH, R: 50X30- Non-alloy and Fine S355NLH, S420NH, S420NLH, 500X300mm Grain Steels S460NH, S460NLH S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, Cold Formed Welded S: mm S355NLH, S420NH, S420NLH, Structural Hollow EN R: 40X20- S460NH, S460NLH, S275MH, Sections of Non-alloy 400X300mm S275MLH, S355MH, S355MH, And Fine Grain Steels S355MLH, S420MH, S420MLH, S460MH, S460MLH Steel Pipe- Square, Rectangular Tube-EN Square, Rectangular Tube - Dimensions Nominal Dimensions of Square Hollow Sections Specified Size Wall Specified Size Wall Specified Size Wall Nominal Dimensions of Rectangular Hollow Sections Specified Size Wall Specified Size Wall Specified Size Wall 20X X X X X X X X X X X X

47 EN Square, Rectangular Tube 30X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Steel Pipe- Square, Rectangular Tube-EN Square, Rectangular Tube - Dimension Tolerance Tolerance on Dimension Standard Outside Dimension Wall Length EN ±1% with a minimum of ±0.5-10% See Tab le 1 ±1% H, B<100 T 5 ±10% with a minimum of ±0.5 EN See Tab le H, B 200 ±% T>5 ±0.5 H, B>200 ±0.6% T 1.5 ±0.15 EN T>1.5 ±10%T or ±0.35mm whichever is See Tab le 3 the smaller Table 1 Tolerances on Manufacture s Delivered Length in EN Type of Length Range of Length or Length L Tolerance 10% of sections supplied may be below 4000<L 16000mm the minimum for the ordered range, Random length with a range of 2000mm but not shorter than 75% of the per order item minimum range length Approximate length 4000mm L 16000mm ±500mm 2000mm L 6000mm -0, +10mm Exact length >6000mm -0, +15mm

48 EN Square, Rectangular Tube Table 2 Tolerances on Manufacturer s Delivered Length in EN Type of Length Range of Length or Length L Tolerance Random Length 10% of sections supplied may be below 4000mm<L 16000mm the minimum for the ordered range, with a range of 2000mm but not shorter than 75% of the per order item minimum range length Approximate Length 4000mm -0, +50mm <6000mm -0, +5mm Exact Length 6000mm L 10000mm -0, +15mm >10000mm -0, +5mm+1mm/m Table 3 Tolerances for Exact Lengths in EN Length L Tolerance L 500 a 500<L , <L , <L , +10 >8000 a a: For Lengths 500mm or > 800, 0 mm the tolerances shall be agreed at the time of enquiry and order.

49 DIN Square, Rectangular Tube Steel Pipe- Square, Rectangular Tube-DIN Square, Rectangular Tube - Steel Grade Standard No Steel Grade Standard Name Dimension Range DIN 2395 USt37.2, RSt37.2, St37.3, St44.2, St44.3, M22, QStE340N Rectangular and Square Electric Welded Precision Steel Tubes 15X15-120X120mm USt37.2, RSt37.2, St37.2, Welded Cold Formed Square: DIN St37.3, St44.2, St44.3, Square and Rectangular mm St52.3, WTSt37.2, Steel Tubes for Rectangular: WTSt37.3, WTSt52.3 Structural Steel Work 40X20-500X300mm DIN Hollow Sections for St33, St37.2, USt37.2, Structural Steel Square: mm RSt37.2, St37.3, St44.2, Engineering Hot Formed Rectangular: St44.3, St52.3, St50.2, Square and Rectangular 50X30-400X260mm St60.2, St70.2 Steel Tubes Hollow Sections for DIN St37-2, St52-3 Structural Steel Engineering Cold Formed Welded Square and Rectangular Steel Tubes Square: mm Rectangular: 40X20-500X300mm Steel Pipe- Square, Rectangular Tube-DIN Square, Rectangular Tube - Dimensions Dimensions of Square Structural Tubing Deviation Deviation Outside Wall Outside Wall of Side of Side Dimensions Dimensions Length Length 5 ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± ±

50 DIN Square, Rectangular Tube 90 ± ± Dimensions of Rectangular Structural Tubing Deviation Deviation Outside Wall Outside Wall of Side of Side Dimensions, Dimensions, Length Length 20X10 ± X50 ± X15 ± X60 ± X15 ± X50 ± X20 ± X60 ± X10 ± X40 ± X15 ± X50 ± X20 ± X60 ± X25 ± X80 ± X20 ± X70 ± X25 ± X40 ± X11 ± X60 ± X20 ± X80 ± X25 ± X80 ± X30 ± X100 ± X35 ± X80 ± X25 ± X90 ± X30 ± X100 ± X35 ± X100 ± X40 ± X120 ± X20 ± X140 ± X25 ± X120 ± X30 ± X150 ± X35 ± X140 ± X40 ± X180 ± X35 ± X180 ± X20 ± X220 ± X25 ± X200 ± X30 ± X180 ± X40 ± X200 ± X50 ± X220 ± X30 ± X200 ± X40 ± X220 ± X50 ± X200 ± X60 ± X260 ± X20 ± X250 ±

51 DIN Square, Rectangular Tube 80X30 ± X300 ± X40 ± Steel Pipe- Square, Rectangular Tube-DIN Square, Rectangular Tube - Dimension Tolerance Dimension Tolerance of DIN Standard Square and Rectangular Tubes Standard Tolerance No Outside Length Wall Length DIN 2395 ±10% See Tab le 1 DIN ±1% Square 100 Rectangular 120X60 ±10% Square<100 Rectangular<120X60 ±12.5% See Tab le 2 DIN DIN ±10% See Tab le 3 Table 1 Permissible Deviations in Length in DIN 2395 Type of Length Permissible Deviations in Length, mm Fixed Lengths , mm -0, +2 > mm -0, +3 Exact > , +5 Length > , +10 >7000 By agreement Table 2 Permissible Deviations in Length in DIN Type of Length Permissible Deviations in Length, mm Manufacturing Length By agreement Fixed Length 2000 ±500 Exact , +10 Length >6000-0, +15 Table 3 Permissible Deviations in Length in DIN 17119, DIN Type of Length Permissible Deviations in Length, mm Manufacturing Length By agreement Fixed Length , , +5 Exact Length > , +10 > , +15

52 Standard No JIS G3466 JIS Square, Rectangular Tube Steel Pipe- Square, Rectangular Tube-JIS Square, Rectangular Tube - Steel Grade Steel Grade Standard Name Dimension Range STKR 41 STKR 50 Carbon Steel Square Pipe for General Structural Purpose Square: mm Rectangular: 50X20-400X200mm Steel Pipe- Square, Rectangular Tube-JIS Square, Rectangular Tube - Dimension Dimensions of Common Sizes of Square Structural Tubing Outside Dimensions Wall Outside Dimensions Wall 40 X X X X X X X X X X X X X X Dimensions of Common Sizes of Rectangular Structural Tubing Outside Dimensions Wall Outside Dimensions Wall 50 X X X X X X X X X X X X X X X X X X X X X

53 JIS Square, Rectangular Tube Steel Pipe- Square, Rectangular Tube-JIS Square, Rectangular Tube - Standard JIS G3466 Carbon Steel Square Pipe for General Structural Purpose Items and Dimension Tolerance on Dimension Outside <100mm ±1.5mm Dimension 100mm ±1.5% Camber of <100mm <0.5mm Each Side 100mm <0.5% The Angle between Adjoining Sides ±1.5 O Dimension at the Corner: S <3t Length -0, +By agreement Straightness < 0.3% of the Length Wall Welded Square Pipes Seamless Square Pipes 3mm ±0.3mm >3mm ±10% 4mm ±0.6mm >4mm ±15%

54 Type of Material Steel Sheet for Cold Forming Steel for General Structural Purposes Weldable Normalized Structural Steel Steel for Machine Structural Use Steel for Pipes and Tubes Steel Plate for Automobile Structural Uses Hot Rolled Steel Coil/sheet Steel Coil, Sheet & Plate -Hot Rolled Steel Coil/sheet- Steel Grade DIN JIS GB Standard Steel Grade Standard Steel Grade Standard Steel Grade EN STW22, STW23, JIS SPHC, SPHD, GB 710 STW24 G3131 SPHE GB , 08Al DIN Q195, St33, St37-2, JIS SS330, SS400, GB 710 Q215(A/B) St37-3, St44-2, G3101 SS490, SS540, GB 711 Q235A, Q255A, St50-2, St52-3 Q275A, 15 SM400(A/B/C), Q235(A/B/C/D), SM400(B/C), GB 912 Q255(A/B), DIN StE255, StE355 JIS SM490(A/B/C), GB 3274 Q275, 20 G3106 SM490(YA/YB), GB 710 Q345(A/B/C/D), SM520(B/C), GB 711 Q390(A/B/C), SM570 Q460(C/D), DIN C22, C35 JIS S20C, S35C, GB 710 DIN C10, C15 G4051 S09CK, S15CK GB ,45,65Mn GB 710 SPHT1, JIS GB Al, Q215, SPHT2, G3132 GB 912 Q235A, 15, 20 SPHT3 GB 3274 QStE300TM, QStE340TM, QStE360TM, QStE420TM, SEW 092 QStE460TM, QStE500TM, QStE550TM, QStE600TM, SAPH310, QStE650TM, JIS SAPH370, QStE690TM, G3113 SAPH400, S315MC, SAPH440 S355MC, S420MC, S460MC, EN S500MC, S550MC, S600MC, S650MC, S700MC

55 Steel Plate for Boiler and Other Pressure Vessels Steel Plate for Gas Cylinders Steel for Atmospheric Corrosion Resisting Hot Rolled Steel Coil/sheet JIS GB 713 DIN HII, 19Mn6 SB410 G3103 GB 6654 JIS SG295, SG325 GB 6653 G3116 WSt37-2, JIS SEW 087 SPA-H WSt52-3 G g, 20R, 19Mng, 16MnR HP245, HP265, HP295, HP325, Plate Coil Steel Coil, Sheet & Plate -Hot Rolled Steel Coil/sheet- Dimension Dimension Assortment Width Length (or ID of Coil) Cutting Edge Mill Edge ~12000 Cutting Edge Mill Edge ~ Steel Strip /610/710/760 Theoretical Weight Theoretical Weight Theoretical Weight kg/ft 2 kg/m 2 kg/ft 2 kg/m

56 Hot Rolled Steel Coil/sheet Steel Coil, Sheet & Plate -Hot Rolled Steel Coil/sheet- Dimension Tolerance Tolerance on Tolerance for Follow Width 1200 > > > ±0.15 ±0.17 > ±0.17 ±0.19 ±0.20 > ±0.18 ±0.20 ±0.21 ±0.23 > ±0.20 ±0.21 ±0.22 ±0.24 > ±0.22 ±0.24 ±0.26 ±0.28 > ±0.24 ±0.26 ±0.28 ±0.29 > ±0.26 ±0.28 ±0.29 ±0.31 > ±0.29 ±0.30 ±0.31 ±0.35 > ±0.32 ±0.33 ±0.34 ±0.35 > ±0.35 ±0.36 ±0.37 ±0.43 > ±0.37 ±0.38 ±0.40 ±0.46 > ±0.40 ±0.42 ±0.45 ±0.50 Tolerance on Width of Steel Plate and Strip Assortment Width Width Tolerance for Follow < , +3-0, +3 Sheared Plate and Strip > , +5-0, +6 >1500-0, +6-0, +3 No Sheared Plate and Strip All Widths -0, +20 Tolerance on Width of Longitudinal Cutting Strip Assortment Width Width Tolerance for Follow 4.0 > > , +1-0, +2-0, +2 Longitudinal Cutting > , +1-0, +2-0, +3 Strip > , +2-0, +2-0, +3 >600-0, +2-0, +3-0, +4 Tolerance on Length

57 Hot Rolled Steel Coil/sheet Length Tolerance on Length 2000-<8000-0, X Length , Specifies for Inequalities Permissible Value of Inequalities for Below Width 1200 > > > Camber of Steel Plate Length Permissible Value of Camber Inspection Length Sheared No Sheared < Actual Length Camber of Longitudinal Cutting Steel Plate and Steel Strip Width Permissible Value of Camber Inspection Length Cutting Edge Mill Edge < Steel Coil, Sheet & Plate -Hot Rolled Steel Coil/sheet- Surface Treatment Hot Rolled Pickled Steel Strip Hot Rolled Pickled and Oiled Steel Strip Hot Rolled Pickled Steel Coil Hot Rolled Pickled and Oiled Steel Coil

58 Checkered Steel Coil/Sheet Steel Coil, Sheet & Plate - Checkered Steel Coil/Sheet- Steel Grade Standard Standard No Steel Grade ASTM ASTM A29M 1010, 1017, 1020 DIN DIN EN S185, S235JR JIS JIS G SS330, SS400 GB GB/T Q195, Q215, Q235 Steel Coil, Sheet & Plate - Checkered Steel Coil/Sheet- Dimension Dimension Assortment Width Length ( or ID of Coil ) Plate Coil Theoretical Weight Theoretical Weight Theoretical Weight kg/ft 2 kg/m 2 kg/ft 2 kg/m Steel Coil, Sheet & Plate - Checkered Steel Coil/Sheet- Dimension Tolerance Tolerance on Tolerance ± ± , , , +0.6

59 Hot Rolled Steel Plate Steel Coil, Sheet & Plate - Hot Rolled Steel Plate- Steel Grade Steel Plate For Structural Purposes Standard Standard No Steel Grade ASTM A36 A36 ASTM A283 Grade: A, B, C, D ASTM A572 Grade: 42, 50, 55, 60, 65 ASTM ASTM A573 Grade: 58, 65, 70 ASTM A633 Grade: A, C, D, E ASTM A678 Grade: A, B, C, D ASTM A710 Grade: A: Class1, Class2, Class3 Grade: B: Class1, Class2, Class3 API API 2W/2H Grade: 42, 50, 50T, 60 JIS G3101 SS330, SS400, SS490, SS540 SM400(A/B/C), SM490(A/B/C), SM490(YA/YB), JIS G3106 JIS SM520(B/C), SM570 JIS G3128 SHY685, SHY685N, SHY685NS JIS G3136 SN400(A/B/C), SN490(B/C) S185, S235(JR/JRG1/JRG2/J0/J2G3/J2G4), EN S275(JR/J0/J2G3/J2G4), S355(JR/J0/J2G3/J2G4/K2G3/K2G4), EN E295, E335, E360 EN S460Q, S460QL, S500Q, S500QL, S550Q, S550QL, S620Q, S620QL, S690Q, S690QL GB/T 700 Q195, Q215(A/B), Q235(A/B/C/D), Q255(A/B), Q275 08, 08F, 08Al, 10, 10F, 15, 15F, 20, 20F, 25, 30, 35, 40, 45, 50, 55, GB/T , 65, 70, 20Mn, 25Mn, 30Mn, 40Mn, 50Mn, 60Mn, 65Mn GB GB/T 714 Q235q, Q345q, Q370q, Q420q GB/T 1591 Q295(A/B), Q345(A/B/C/D/E), Q390(A/B/C/D/E), Q420(A/B/C/D/E), Q460(C/D/E) Steel Plate For Boiler and Other Pressure Vessels Standard Standard No Steel Grade ASTM JIS ASTM A202 Grade: A, B ASTM A299 Grade: A, B ASTM A302 Grade: A, B, C, D ASTM A387 Grade: 2, 12, 11, 22, 22L, 21, 21L, 5, 9, 91, 91L ASTM A515 G, Grade: 65, 70 ASTM A516 Grade: 55, 60, 65, 70 ASTM A537 Class: 1, 2, 3 ASTM A662 Grade: A, B, C JIS G3103 SB410, SB450, SB480, SB450M, SB480M JIS G3115 SPV235, SPV315, SPV355, SPV410, SPV450, SPV490

60 Hot Rolled Steel Plate JIS G3118 SGV410, SGV450, SGV480 JIS G3119 SBV1A, SBV1B, SBV2, SBV3 JIS G3120 SQV1A, SQV1B, SQV2A, SQV2B, SQV3A, SQV3B JIS G3126 SLA235(A/B), SLA325(A/B), SLA365, SLA410 JIS G3127 SL2N255, SL3N255, SL3N275, SL3N440, SL5N590, SL9N520, SL9N590 JIS G4109 SCMV(1-1, 1-2, 2-1, 2-2, 3-1, 3-2, 4-1, 4-2, 5-1, 5-2, 6-1, 6-2) EN EN P235GH, P265GH, P295GH, P3, 55GH, 16Mo3, 13CrMo4-5, 10CrMo9-10, 11CrMo9-10 GB/T g, 22Mng, 15CrMog, 16Mng, 19Mng, 13MnNiCrMoNbg, 12Cr1MoVg GB GB/T MnDR, 15MnNiDR, 09MnNiDR GB/T R, 16MnR, 15MnVR, 15MnVNR, 18MnMoPbR, 13MnNiMoPbR, 15CrMoR Steel Plate For Atmospheric Corrosion Resisting Standard Standard No Steel Grade ASTM JIS ASTM A242 Type 1 ASTM A588 Grade: A, B, C, K Grade: 36[250], 50[345], ASTM A709 50W[345W](TypeA / TypeB / TypeC), HPS 50W[345W], HPS 70W[485W], 100[690](Type A/B/C/E/F/H/J/M/P/Q), 100W[690W] (Type A/B/C/E/F/H/J/M/P/Q) ASTM A871 Grade: 60 (TypeⅠ/Ⅱ/Ⅲ/Ⅳ), 65 (TypeⅠ/Ⅱ/Ⅲ/Ⅳ) JIS G3114 SMA400 (AW/BW/CW/AP/BP/CP), SMA490 (AW/BW/CW/AP/BP/CP), SMA570(W/P) JIS G3125 SPA-H Steel Plate For Machine Structural Uses Standard Standard No Steel Grade JIS JIS G 4051 S10C, S12C, S15C, S17C, S20C, S22C, S25C, S28C, S30C, S33C, S35C, S38C, S40C, S43C, S45C, S48C, S50C, S53C, S55C, S58C Steel Coil, Sheet & Plate - Hot Rolled Steel Plate- Dimension Dimension Assortment Width Length Plate Cutting Edge Mill Edge Theoretical Weight Unit Weight Unit Weight

61 Hot Rolled Steel Plate kg/ft 2 kg/m 2 kg/ft 2 kg/m ASTM A6/A6M-2003a Standard Specification for General Requiremnets for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Pilling ASTM A20/20M-2003 Standard Specification for General Requirements for Steel Plates for Pressure Vessels EN Hot Rolled Steel Plates 3mm Thick or above-tolerances on Dimensions, Shapes and Mass JIS G Dimensions, Mass and Permissible Variations of Hot Rolled Steel Plates, Sheets and Strip GB/T Dimensions, Shape, Weight and Tolerances for Hot-rolled Plates and Sheets Steel Coil, Sheet & Plate - Hot Rolled Steel Plate- Dimension Tolerance ASTM A6/A6M-2003a Standard Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Pilling Permitted Variations in for Rectangular Carbon, High-Strength Low Alloy, and Alloy Steel Plates, 300 mm and Under in When Ordered to. Permitted Variations Specified Under Specified Permitted Variations Over Specified for Widths Given in Millimetres > <1500 <1800 <2100 <2400 <2700 <3000 <3300 < <

62 Hot Rolled Steel Plate Note: (1) to be measured at 10 to 20 mm from the longitudinal edge. (2) For Specified thicknesses not listed in this table, the permitted variations in thickness shall be as given for the next higher value of specified thickness that is listed in this table. (3) For thickness measured at any location other than that specified in Note 1, the permitted variations over specified thickness shall be 1.75 times the amounts in this table, rounded to the nearest 0.1mm.

63 Hot Rolled Steel Plate (4)Where - appears in this table, there is no requirement. ASTM A20/20M-2003 Standard Specification for General Requirements for Steel Plates for Pressure Vessels Permissible Variations in for Rectangular Plates Specified Permitted Variations Under Specified Permitted Variations Over Specified for Widths Given in Millimetres 1200 > < < < < < < < < <

64 Hot Rolled Steel Plate Note: (1) to be measured at 10 to 20 mm from the longitudinal edge. (2) For specified thicknesses othe, r than those shown, the tolerances for the next higher thickness shall apply. (3) For thickness measured at any location other than that specified in Note 1, the permissible maximum over tolerance shall be increased by 75%, rounded to the nearest 0.1 mm. EN Hot Rolled Steel Plates 3mm Thick or above-tolerances on Dimensions, Shapes and Mass Given Widths in below The Maximum Tolerances on the nominal thickness Nominal Difference within a Plate Class Class A Class B Class D C <2000 <2500 <3000 <3500 < <5-0.4, , , +1.2 ± <8-0.4, , , +1.5 ± <15-0.5, , , +1.7 ± <25-0.6, , , +1.9 ± <40 -, , , +2.2 ± <80-1.0, , , +2.8 ± < , , , +2.8 ± , , , +3.6 ± JIS G Dimensions, Mass and Permissible Variations of Hot Rolled Steel Plates, Sheets and Strip Nominal Tolerances on at the Following Width < < < < < < <6.30 ±0.50 ±0.60 ±0.60 ±0.75 ± <10.0 ±0.55 ±0.65 ±0.65 ±0 ±0 ± <16.0 ±0.55 ±0.65 ±0.65 ±0 ±0 ± <25.0 ±0.65 ±0.75 ±0.75 ±0.95 ±0.95 ± <40.0 ±0.70 ±0 ±0 ±1.0 ±1.0 ± <63.0 ±0 ±0.95 ±0.95 ±1.1 ±1.1 ± <100 ±0.9 ±1.1 ±1.1 ±1.3 ±1.3 ± <160 ±1.3 ±1.5 ±1.5 ±1.7 ±1.7 ± <200 ±1.6 ±1.8 ±1.8 ±1.9 ±1.9 ± <250 ±1.8 ±1.9 ±1.9 ±2.0 ±2.0 ± <300 ±2.0 ±2.1 ±2.1 ±2.2 ±2.2 ±2.5

65 Hot Rolled Steel Plate 300-<350 ±2.1 ±2.3 ±2.3 ±2.4 ±2.4 ±2.8 GB/T Dimensions, Shape, Weight and Tolerances for Hot-rolled Plates and Sheets Nominal > > > > Tolerances on at the Following Width S -Senior Precision N -Normal Precision > > > > > > S N S N S N S N S N S N On the Nominal > Minus 1500 Side Tolerances on on The Plus Side at The Following Width > > > > > > > > > > > > > > > > > > > > >

66 Cold Rolled Steel Coil/Sheet Steel Coil, Sheet & Plate - Cold Rolled Steel Coil/Sheet- Steel Grade Product Standard Type of Material Steel Grade Cold Rolled Plate and Coil Cold Rolled Steel Strip JIS G Phosphorus Addition High Strength Steel SPFC 340, SPFC390, SPFC440 Bake-hardening High Strength Steel SPFC340H JIS G Cold Rolled Carbon Steel SPCC, SPCD, SPCE, SPCEN Steel for Drawing Use JSC270(C/D/E/F), JSC260G Phosphorus Addition High Strength Steel JSC340P, JSC390P, JSC440P, JSC340W, JSC390W Bake-hardening High JFS A Strength Steel JSC270H, JSC340H Two-phase High Strength Steel JSC590Y, JSC780Y Low Alloy High Strength Steel JSC440R, JSC590R EN Cold Rolled Carbon Steel DC01, DC03, DC04, DC05, DC06 DIN Cold Rolled Carbon Steel St12, RRSt13, St14 DIN Cold Rolled Carbon Steel St37-2G, St44-3G, St52-3G ASTM A el Cold Rolled Carbon Steel CS, DS, DDS, EDDS GB/T Cold Rolled Carbon Steel SC1, SC2, SC3 JIS G Rolled Steel for General Structure SS330,SS400 JIS G Carbon Steel for Machine Structural Use S10C,S20C,S45C,S50C, JIS G Chromium Steels SCr420 JIS G Chromium Molybdenum Steels SCM435 DIN EN Hot Rolled Sheet Steels Made of Ordinary Mild Steels S180(St33),S235JR(St37-2), DIN EN Case Hardening Steels C10E,C22EC,45E,C50E DIN Heat Treatable Steel 40Mn4,CK60,34CrMo4 DIN Case Hardening Steel 20Cr4 GB/T Carbon Structural Steels Q195,Q215,Q235 GB/T Quality Carbon Structural Steels 08Al,20,45,50,40Mn,60Mn GB/T Alloy Structural Steel 20Cr,35CrMo Steel Coil, Sheet & Plate - Cold Rolled Steel Coil/Sheet- Dimension

67 Cold Rolled Steel Coil/Sheet Dimension Assortment Width Length (or ID of Coil) Plate Cutting Edge Mill Edge Coil Cutting Edge Mill Edge / 610 Longitudinal Cutting Strip < / 508 / 610 Theoretical Weight Unit Weight Unit Weight kg/ft 2 kg/m 2 kg/ft 2 kg/m Steel Coil, Sheet & Plate - Cold Rolled Steel Coil/Sheet- Dimension Tolerance Tolerance on of Cold Rolled Steel Coil and Strip Minimum Yield Strength (MPa) Tolerance on Common Precision PT, A High-level Precision PT, B Width Width < <1200 <1500 <

68 < < Cold Rolled Steel Coil/Sheet ±0.04 ±0.05 ±0.025 ±0.035 > ±0.05 ±0.06 ±0.07 ±0.035 ±0.045 ±0.05 > ±0.06 ±0.07 ±0.08 ±0.045 ±0.05 ±0.05 > ±0.07 ±0.08 ±0.09 ±0.05 ±0.06 ±0.06 > ±0.08 ±0.09 ±0.10 ±0.06 ±0.07 ±0.07 > ±0.10 ±0.11 ±0.11 ±0.07 ±0.08 ±0.08 > ±0.12 ±0.13 ±0.13 ±0.08 ±0.09 ±0.09 > ±0.14 ±0.15 ±0.15 ±0.10 ±0.11 ±0.11 > ±0.16 ±0.17 ±0.17 ±0.11 ±0.12 ±0.12 > ±0.17 ±0.19 ±0.19 ±0.14 ±0.15 ± ±0.05 ±0.06 ±0.03 ±0.04 > ±0.06 ±0.07 ±0.08 ±0.04 ±0.05 ±0.06 > ±0.07 ±0.08 ±0.10 ±0.05 ±0.06 ±0.06 > ±0.08 ±0.10 ±0.11 ±0.06 ±0.07 ±0.07 > ±0.10 ±0.11 ±0.12 ±0.07 ±0.08 ±0.08 > ±0.12 ±0.13 ±0.13 ±0.08 ±0.10 ±0.10 > ±0.14 ±0.16 ±0.16 ±0.10 ±0.11 ±0.11 > ±0.17 ±0.18 ±0.18 ±0.12 ±0.13 ±0.13 > ±0.19 ±0.20 ±0.20 ±0.13 ±0.14 ±0.14 > ±0.20 ±0.23 ±0.23 ±0.17 ±0.18 ± ±0.06 ±0.07 ±0.04 ±0.05 > ±0.07 ±0.08 ±0.10 ±0.05 ±0.06 ±0.07 > ±0.08 ±0.10 ±0.11 ±0.06 ±0.07 ±0.07 > ±0.10 ±0.11 ±0.13 ±0.07 ±0.08 ±0.08 > ±0.11 ±0.13 ±0.14 ±0.08 ±0.10 ±0.10 > ±0.14 ±0.15 ±0.15 ±0.10 ±0.11 ±0.11 > ±0.17 ±0.18 ±0.18 ±0.11 ±0.13 ±0.13 > ±0.20 ±0.21 ±0.21 ±0.14 ±0.15 ±0.15 > ±0.23 ±0.24 ±0.24 ±0.15 ±0.17 ±0.17 > ±0.24 ±0.27 ±0.27 ±0.20 ±0.21 ±0.21 Tolerance on Width of Cold Rolled Steel Coil and Strip Tolerance on Width Edge State Width Common Precision PW. A High-level Precision PW. A Mill Edge , +8 Cutting Edge 730-<1200-0, +4-0, , +5-0, +3 Tolerance on Width of Cold Rolled and Longitudinal Cutting Strip Tolerance on Width Width

69 Cold Rolled Steel Coil/Sheet <125 <125-<250 <250-<400 <400-<600 <600-< <0.40-0, , , , , <1.00-0, , + -0, , , <1.75-0, , , , , <3.50-0, , , , , +2.5 Tolerance on Length of Cold Rolled Steel Coil Length Tolerance on Length Common Precision PL. A High-level Precision PL. B , +6-0, +3 >2000-0, X Length -0, X Length Specifies for Inequality of Steel Sheet Minimum Yield Strength (MPa) < <360 Inequality, Common Precision PT.A High-level Precision PT.B Width Width mm < < < < > > > > Camber of Cold Rolled Steel Coil and Strip Product Assortment Edge State Camber Inspection Length L 2000mm Cutting Edge 0.3%Xl L L>2000mm Cutting Edge Longitudinal Cutting Strip Steel Coil, Sheet & Plate - Cold Rolled Steel Coil/Sheet- Processed Products Cold Rolled Bright Steel Strip Cold Rolled Black Annealed Steel Strip Cold Rolled Bright Annealed Steel Strip Hot Dipped Galvanized Steel Strip

70 Hot Dip Galvanized Coil/Sheet Steel Coil, Sheet & Plate - Hot Dip Galvanized Coil/Sheet- Coating Surface Structure Type, Classification and Code for Coating Items Type Code Coating Type Coating Classification a, b Zinc Coating Z Zinc-Iron Coating ZF Coating with Equal A(g/m 2 )/ B(g/m 2 )(A=B) A/B Coating with Different A(g/m 2 )/ B(g/m 2 )(A B) a. A is the coating weight for outer surface of steel strips or upper surface for steel plates, while B is the coating weight for inner surface of steel strips or down surface for steel plates (g/m 2 ). b. Code for equal-thickness coating can be marked as sum value for both sides (upon agreement of both parties). Available Weight for Zinc /Zinc-Iron Coating Category for Coating Basic Sheet Of Equal Cold Rolled Basic Sheet Hot Rolled Basic Sheet Coating Of Equal Of Different Surface Structure Normal Spangle Of Different Of Equal Range of Coating Weight Applicable Surface g/m 2 (A/B) Structure Zinc Coating Zinc-Iron Coating Z, X, G, GX, N, R 40/40-225/225 30/30-90/90 N, R Z, X, G, GX 50/50-140/140 Recommended Weight of Coating & Corresponding Code for Steel Sheet/Strip Type Recommended Weight of Coating (g/m 2 ) Coating Code ZF 30/30 30/30 Z,ZF 40/40 50/50 60/60 40/40 50/50 60/60 70/70 80/80 90/90 70/70 80/80 90/90 Z 100/ / / / / / / / / /225 Z 30/40 40/60 40/100 30/40 40/60 40/100 Classification & Code for Surface Structure Code Character Usage Z Gained through condensation After galvanization. For common usage.

71 Small Spangle Skin-pass Spangle Skin-pass Small Spangle No Spangle Zinc-Iron Hot Dip Galvanized Coil/Sheet X Gained through condensation controlling; spangles are smaller. Can be used when normal spangle is not up to a certain standard. G For use of surface with Gained through special High quality. E.g.: for use skin-pass treatment. GX Of prepainted basic-plate. N Gained through special Technique; spangles are invisible. R No spangle, no luster, with gray surface. Usage for painting. Classification & Code for Surface Treatment Surface Treatment Code Purpose Chromic-Acid Chemical treatment for prevention of white rust during L Passivation transportation or stock. Oiling Y In case white rust may occur during transportation or stock. Chromic-Acid Passivation + Oiling LY Further means for prevention of white rust. Steel Coil, Sheet & Plate - Hot Dip Galvanized Coil/Sheet- Steel Grade Standard Type of Material Steel Grade EN 10142:2000 Low Carbon Steel DX51D+Z, +ZF, DX52D+Z, +ZF, DX53D+Z, +ZF, DX54D+Z, +ZF, DX56D+Z, +ZF, EN 10147:2000 S220GD+Z, +ZF, S250GD+Z, +ZF, Carbon Steel or S280GD+Z, +ZF, S320GD+Z, +ZF, Low Alloy Steel S350GD+Z, +ZF, S550GD+Z, +ZF Phosphorus Addition High Strength Steel H220PD+Z, +ZF, H260PD+Z, +ZF H300LAD+Z, +ZF, H340LAD+Z, +ZF, Low Alloy High H380LAD+Z, H420LAD+Z, Strength Steel EN 10292:2000 HR340LAD+Z, HR420LAD+Z Super Low Carbon High Strength Steel H180YD+Z, +ZF, H220YD+Z, +ZF, H260YD+Z, +ZF, Bake-handening High Strength Steel H180BD+Z, +ZF, H220BD+Z, +ZF H260BD+Z, +ZF JIS G Low Carbon Steel SGCC, SGHC, SGCD1, SGCD2, SGCD3 ASTM A Low Carbon Steel CS Type A, Type B, Type C FS Type A, Type B, DDS, EDDS

72 Hot Dip Galvanized Coil/Sheet Carbon Steel or SS230, SS255, SS275, SS550, Low Alloy Steel SS340 Class 1 Low Alloy High HSLAS Type B Grade 340, Strength Steel HSLAS Type B Grade 410 Steel Coil, Sheet & Plate - Hot Dip Galvanized Coil/Sheet- Dimension Dimension Basic Plate Type Item Nominal Size Cold Rolled Basic Plate Hot Rolled Basic Plate Width Length Width Length Strip Longitudinal Cutting Strip Steel Sheet Strip ID of Coil: 508 / 610 > Strip Longitudinal Cutting Strip Steel Sheet Strip ID of Coil: 610 Theoretical Weight Unit Unit Unit Weight Weight Weight (kg/m 2 ) (kg/m 2 ) (kg/m 2 ) Coating Form Coating Type Coating Weight (g/m 2 )

73 Equality Different Hot Dip Galvanized Coil/Sheet ZF 30/30 Z,ZF 40/40, 50/50, 60/60, 70/70, 80/80, 90/90 Z 100/100, 125/125, 140/140, 175/175, 225/225 Z 30/40, 40/60, 40/100 Note: Z denotes pure zinc coating; ZF denotes zinc iron alloy coating. Steel Coil, Sheet & Plate - Hot Dip Galvanized Coil/Sheet- Dimension Tolerance Tolerance on of Hot Galvanizing Sheet and Strip with Cold Rolled Basic Plate When the Minimum Yield Strength is Less than 280 Mpa Tolerance on, mm Common Precision PT.A High-level Precision PT.B mm 1200 > > > > ±0.05 ±0.06 ±0.03 ±0.04 > ±0.06 ±0.07 ±0.08 ±0.04 ±0.05 ±0.06 > ±0.07 ±0.08 ±0.09 ±0.05 ±0.06 ±0.06 > ±0.08 ±0.09 ±0.10 ±0.06 ±0.07 ±0.07 > ±0.09 ±0.10 ±0.11 ±0.07 ±0.08 ±0.08 > ±0.11 ±0.12 ±0.12 ±0.08 ±0.09 ±0.09 > ±0.13 ±0.14 ±0.14 ±0.09 ±0.10 ±0.10 > ±0.15 ±0.16 ±0.16 ±0.11 ±0.12 ±0.12 > ±0.17 ±0.18 ±0.18 ±0.12 ±0.13 ±0.13 Tolerance on Width of Steel Plate and Strip Tolerance on Width, mm mm Common Precision PT. A High-level Precision PT. B , +5-0, +2 > , +6-0, +2 >1500-0, +7-0, +3

74 Al-Zn Alloy-Coated Coil/Sheet Steel Coil, Sheet & Plate - Al-Zn Alloy-Coated Coil/Sheet - Coating Surface Structure Classification and Code for Coating Item Type Code Coating Type Al-Zinc Coating AZ Recommended Weight of Coating (g/m 2 30/30, 40/40, 50/50, 60/60, 75/75, 90/90 ) Classification & Code for Surface Structure Surface Structure Code Character Normal Spangle Z Gained through condensation after galvanization. Skin-passed Spangle G Gained through skin-pass treatment. Surface Treatment Chromic-Acid Passivation Classification & Code for Surface Treatment Code C Purpose Chemical treatment for preventing rusting During transportation or stock. Oiling O For preventing rusting Chromic-Acid Passivation + Oiling Fingerprint-proof Film No Treatment CO UF U Further means for preventing rusting To prevent rusting Without any treatment, It should be noted in contract if the buyers choose goods without any treatment. Steel Coil, Sheet & Plate - Al-Zn Alloy-Coated Coil/Sheet - Steel Grade Standard Usage Supply Steel Grade ASTM A792M-2002 JIS G3321:1998 EN For Cold Forming CS type B, type C, DS For Structural 255, 345 Class1, 550 For Cold Forming SGLCC, SGLCD For Structural SGLC490, SGLC570 For Cold Forming DX51D+AZ, DX52D+AZ For Structural S250GD+AZ, S350GD+AZ, S550GD+AZ Steel Coil, Sheet & Plate - Al-Zn Alloy-Coated Coil/Sheet - Dimension Dimension Type Width Length (or ID of Coil)

75 Al-Zn Alloy-Coated Coil/Sheet Steel Sheet Steel Coil Theoretical Weight Unit Unit Unit Weight Weight Weight (kg/m 2 ) (kg/m 2 ) (kg/m 2 ) Coating Form Coating Type Coating Weight (g/m 2 ) Equality AZ 30/30, 40/40, 50/50, 60/60, 75/75, 90/90 Remark: AZ denotes aluminum zinc alloy coating Steel Coil, Sheet & Plate - Al-Zn Alloy-Coated Coil/Sheet - Dimension Tolerance Tolerance on of Hot Galvanizing Sheet and Strip with Cold Rolled Basic Plate When the Minimum Yield Strength is Less than 280 Mpa Tolerance on, mm Common Precision PT.A High-level Precision PT.B mm 1200 > > > > ±0.05 ±0.06 ±0.03 ±0.04 > ±0.06 ±0.07 ±0.08 ±0.04 ±0.05 ±0.06 > ±0.07 ±0.08 ±0.09 ±0.05 ±0.06 ±0.06 > ±0.08 ±0.09 ±0.10 ±0.06 ±0.07 ±0.07 > ±0.09 ±0.10 ±0.11 ±0.07 ±0.08 ±0.08 > ±0.11 ±0.12 ±0.12 ±0.08 ±0.09 ±0.09 > ±0.13 ±0.14 ±0.14 ±0.09 ±0.10 ±0.10 > ±0.15 ±0.16 ±0.16 ±0.11 ±0.12 ±0.12 > ±0.17 ±0.18 ±0.18 ±0.12 ±0.13 ±0.13 Tolerance on Width of Steel Plate and Strip Tolerance on Width, mm mm Common Precision PT. A High-level Precision PT. B , +5-0, +2

76 Al-Zn Alloy-Coated Coil/Sheet > , +6-0, +2 >1500-0, +7-0, +3

77 Prepainted Steel Coil Steel Coil, Sheet & Plate - Prepainted Steel Coil - Coating Surface Structure Assortment and Coding of Prepainted Steel Sheet Classification Item Code Construction External Use JW Construction Internal Use JN Applications Steel Windows GC Household Appliance JD Furniture JJ Others QT Normal Coated TC Surface Finish Embossed YA Printed YI PE PE Category of High-durability Polyesters SMP Finish Coatings Silicon Modified Polyesters PVDF Electro-galvanized Base Metal DX Base Metal Hot-dip Zinc Skin Pass Spangle RG Coated base Metal No Spangle RW Top Surface Bottom Surface Coating Type Double Coated Single Coated 2/1 Double Coated Double Coated 2/2 Suggestion on Selection of Base Metal and Zinc Coating Weight for Different Application Serial Weight of Galvanized Applications Base Metal No Layer (g/m 2 ) 1 Construction Hot-dip Zinc External Use Coated Base Metal 90/90 2 Hot-dip Zinc Construction Internal Coated Base Metal 90/90 Use, Steel Windows Electro-galvanized Base Metal 60/60 3 Household Appliance, Electro-galvanized Furniture Base Metal 20/20 4 Construction Hot-dip Zinc-Aluminum Coated Board 75/75 Steel Coil, Sheet & Plate - Prepainted Steel Coil - Steel Grade

78 Prepainted Steel Coil Base Metal of Prepainted Steel Sheet Type of Base Metal Hot-dip Zinc Coated Electro-galvanized Hot-dip Alu-Zinc Alloy Coated Standard of Base Metal EN EN EN JIS G3302 ASTM A653 JIS G3313 EN ASTM A591 GB/T JIS G3321 EN ASTM A792 Steel Grade of Base Metal DX51D+Z, DX52D+Z,DX53D+Z, S280GD+Z, S350GD+Z, S550GD+Z SGCC, SGCD, SGC340 CS Type C, CS Type A, Type B, FS Type A, Tupe B, SS275, SS550, SS 340 Class 1 SECC, SECD, SECE DC01+ZE, DC03+ZE, DC04+ZE CS, DS, DDS DX1, DX2, DX3 SGLCC, SGLCD, SGLC490, SGLC570 DX51D+AZ, DX52D+AZ, S250GD+AZ S350GD+AZ, S550GD+AZ CS type B, type C, DS, 255, 345 Class1, 550 Category of Coating Item Category Symbol Finish Coat Primer Polyester PE Silicon Modified Polyesters SMP High-Durability Polyester HDP PolyVinylidene Fluoride PVDF Epoxy Primer ---- Polyester Primer ---- Water-Soluble Acrylic Acid Primer ---- Polyurethane Primer ---- JIS Prepainted Steel Sheet Standard Steel Grade Usage JIS G3312 JIS G3322 CGCC CGCD1 CGC400 CGC440 CGC570 CGLCC CGLCD CGLC490 CGLC570 Normal Use For Drawing Structure For Cold Forming Structure

79 Prepainted Steel Coil Steel Coil, Sheet & Plate - Prepainted Steel Coil - Dimension Dimension Item Nominal Size Width Length Theoretical Weight Unit Unit Unit Weight Weight Weight (kg/m 2 ) (kg/m 2 ) (kg/m 2 ) Suggestion on Selection of Base Metal and Zinc Coating Weight for Different Usage Usage Basic Metal Coating Weight (g/m 2 ) Construction External Use Hot-dip Zinc Coated 90/90 Construction Internal Use, Hot-dip Zinc Coated 90/90 Steel Windows Electro-galvanized 60/60 Household Appliance, Furniture Electro-galvanized 20/20 Construction Hot-dip Zinc-Aluminum 75/75 Steel Coil, Sheet & Plate - Prepainted Steel Coil - Dimension Tolerance Tolerance on Tolerance for the Following Widths Nominal Common Precision PT.A High-level Precision PT.B >1200 > > > ±0.04 ±0.05 ±0.025 ±0.035 > ±0.05 ±0.06 ±0.07 ±0.035 ±0.045 ±0.05 > ±0.06 ±0.07 ±0.08 ±0.045 ±0.05 ±0.05 > ±0.07 ±0.08 ±0.09 ±0.05 ±0.06 ±0.06 > ±0.08 ±0.09 ±0.10 ±0.06 ±0.07 ±0.07

80 Prepainted Steel Coil > ±0.10 ±0.11 ±0.11 ±0.07 ±0.08 ±0.08 > ±0.12 ±0.13 ±0.13 ±0.08 ±0.09 ±0.09 Flatness of Steel Sheet Flatness, Minimum Nominal Common Precision PT.A High-level Precision PT.B Yield Width Nominal Nominal Strength (MPa) <0.70 <0.70 < < <280 > > <360 > > Tolerance on Width Nominal Width Tolerance on Width Common Precision PT. A High-level Precision PT. B , +4-0, +2 > , +5-0, +2 >1500-0, +6-0, +3 Tolerance on Length Nominal Length Tolerance on Length Common Precision PL. A High-level Precision PL. B , +6-0, +2 >2000-0, X Length -0, X Length

81 EN IPE Section Steel- I-Beam-EN IPE - Dimension Nominal Dimension Cross-section Unit Size Aera Weight h b s t r U (cm 2 ) (kg/m) IPE AA IPE A IPE IPE AA IPE A IPE IPE AA IPE A IPE IPE AA IPE A IPE IPE AA IPE A IPE IPE AA IPE A IPE Section Steel- I-Beam-EN IPE - Steel Grade Chemical Composition Steel Grade /mm C (%) Si (%) Mn (%) P (%) S (%) Others (%) St N 0.009

82 EN IPE > N St N > N S235JR N > N S355JR N Mechanical Capability Tensile Strength for /mm Steel σ b /MPa Grade <3 >3-100 > > St37-2 St S235JR S355JR Yield Strength for /mm Steel σ 0.2 /Mpa Grade >16 >40 >63 >80 >100 >150 > St St S235JR S355JR Elongation for Absorbed-in-fracture Energy Longitudinal δ, (%) for AKV/J( ) Steel or 3 >40 >63 >100 >150 Test >10 >150 Grade Transverse Temperature Test-piece mm mm mm mm mm / o C mm mm St37-2 L T St52-3 L T S235JR L T S355JR L T

83 EN IPE Section Steel- I-Beam-EN IPE - Standard EN Hot-rolled I Beams and H Beams Dimensions, Mass and Tolerance The Tolerance on Dimension of IPE AA / IPE A / IPE h b s t Nominal Nominal Nominal Nominal Tolerance Tolerance Tolerance Size Size Size Size Tolerance ± ± ± ± ± ± ± ± ± ± ± ± ±5.0 The Shape Tolerance of IPE AA / IPE A / IPE The Flange Squareness against The Web of IPE AA / IPE A / IPE Web Height, h > k Maximum %b The Web Flexibility of IPE AA / IPE A / IPE Web Height, h > Web Flexibility, f Maximum The Web Eccentricity of IPE AA / IPE A / IPE Web Height, h Web Eccentricity, m

84 EN IPE > Maximum Length Straightness of IPE AA / IPE A / IPE Web Height, h Tolerance on > Straightness q *l *l The Length Types and The Tolerance on Length of IPE AA / IPE A / IPE Length Type Length Explaination of Length Scope Tolerance delivered Produce Length Get any Parameter Between Fixed Length ±50 Less than ±50, Precise Length Priority adopt: ±25,±10,±5 No Fixed Length Decided by the buyer Tolerance and Precise Length Decided by the buyer

85 GB I-Beam Section Steel- I-Beam-GB I-Beam - Dimension Dimension Cross-section Unit Nominal Area Weight Size h b d t r r1 (cm 2 ) (kg/m) * a b a b a b a b a b c a b c a b c a b

86 GB I-Beam 40c a b c a b c a b c Steel Grade Grade C (%) Section Steel- I-Beam-GB I-Beam - Steel Grade Mn (%) Chemical Composition Si P S V (%) Q Q215 Q235 Q345 Steel Grade Q195 Q215 A B A B (%) A B Yield Strength σ S (Mpa) Tensile Strength (Mpa) Mechanical Capability Elongation δ (%) > > >40-60 > > > > > >150 > > > Nb (%) Ti (%) o Cold-Bend Test r - Pin Diameter Longitudinal a - Transverse > > > > a 2a > > > > Charpy V-notch Impact Test ( Longitudinal) Temperature o C A KV / J 0 0.5a 0.5a a 2a 2.5a 20 27

87 Q235 Q345 GB I-Beam a 1.5a 20 > > > > a 1.5a > > a 2.5a > > a 3a -20 > > > > > Section Steel- I-Beam-GB I-Beam - Standard GB/T The Size and Dimension Tolerance of Hot Rolled I Beams The Dimension Tolerance on Hot Rolled I Beam Nominal Size 8-14 mm mm mm mm mm Height- h ±2.0 ±3.0 ±4.0 Leg width- b ±2.0 ±2.5 ±3.0 ±3.5 ±4.0 Web - d ±0.5 ±0.5 ±0.7 ± ±0.9 Web bend Flexibility Not More Than 0.15d Length 5-19m 6-19m

88 EN Equal Angle Bar Section Steel- Equal Angle Bar-EN Equal Angle Bar- Dimension Nominal Size a t Unit Weight (kg/m) Nominal Size a t Unit Weight (kg/m) 20 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X

89 EN Equal Angle Bar 75 X X X X X X Section Steel- Equal Angle Bar-EN Equal Angle Bar- Steel Grade Chemical Composition Steel Grade /mm C (%) Si (%) Mn (%) P (%) S (%) Others (%) St N > N St N > N S235JR N > N S355JR N Mechanical Capability Tensile Strength for /mm Steel σ b /MPa Grade <3 >3-100 > > St37-2 St S235JR S355JR Yield Strength for /mm Steel σ 0.2 /Mpa Grade >16 >40 >63 >80 >100 >150 > St St S235JR S355JR Elongation for Absorbed-in-fracture Energy Longitudinal δ, (%) for AKV/J( ) Steel or 3 >40 >63 >100 >150 Test >10 >150 Grade Transverse Temperature Test-piece mm mm mm mm mm / o C mm mm

90 EN Equal Angle Bar St37-2 L T St52-3 L T S235JR L T S355JR L T EN : 1999 Structural Steel Equal and Unequal Leg Angles Part 1. Dimensions EN : 1994 Specification for Structural Steel Equal and Unequal Angles Part 2. -Tolerances on Shape and Dimensions Tolerances on Shape and Dimensions Section Steel- Equal Angle Bar-EN Equal Angle Bar- Standard Tolerances on Shape and Dimensions Dimension Leg Length, a Section, t Squareness Tolerance on Nominal Size Nominal Size Tolerance a and b a 50 ±1.0 t 5 ± <a 100 ±2.0 5<t 10 ± <a 150 ±3.0 10<t 15 ± <a 200 ±4.0 t>15 ±1.20 a> , +8.0 Out-of-squareness, k Leg Length, a k a <a <a a> Straightness Tolerance on Straightness, q Leg Length, a Tolerance over Tolerance over Any Length

91 EN Equal Angle Bar Full Leg Relevant Leg Length, a q Length, L Length a % of L a <a % of L 150<a a> % of L a> Maximum Actual Weight Shortage than Theoretical Weight Maximum Actual Weight Shortage than Theoretical (t) Weight (%) t <t <t <t <t 24 6

92 ASTM Equal Angle Bar Size and inch Section Steel- Equal Angle Bar-ASTM Equal Angle Bar- Dimension Unit Weight lb/ft Size and L8 X 8 X L203 X 203 X L8 X 8 X 7 / L203 X 203 X L8 X 8 X 3 / L203 X 203 X L8 X 8 X 5 / L203 X 203 X L8 X 8 X 9 / L203 X 203 X L8 X 8 X 1 / L203 X 203 X L6 X 6 X 6 / L152 X 152 X L6 X 6 X 9 / L152 X 152 X L6 X 6 X 1 / L152 X 152 X L6 X 6 X 7 / L152 X 152 X L6 X 6 X 3 / L152 X 152 X L6 X 6 X 5 / L152 X 152 X L5 X 5 X 5 / L127 X 127 X L5 X 5 X 1 / L127 X 127 X L5 X 5 X 7 / L127 X 127 X L5 X 5 X 3 / L127 X 127 X L5 X 5 X 5 / L127 X 127 X L4 X 4 X 1 / L102 X 102 X L4 X 4 X 7 / L102 X 102 X L4 X 4 X 3 / L102 X 102 X L4 X 4 X 5 / L102 X 102 X L4 X 4 X 1 / L102 X 102 X L3 1 / 2 X 3 1 / 2 X 1 / L89 X 89 X L3 1 / 2 X 3 1 / 2 X 7 / L89 X 89 X L3 1 / 2 X 3 1 / 2 X 3 / L89 X 89 X L3 1 / 2 X 3 1 / 2 X 5 / L89 X 89 X L3 1 / 2 X 3 1 / 2 X 1 / L89 X 89 X mm Unit Weight kg/m

93 ASTM Equal Angle Bar L3 X 3 X 3/8 7.2 L76 X 76 X L3 X 3 X 5 / L76 X 76 X L3 X 3 X 1 / L76 X 76 X L3 X 3 X 3 / L76 X 76 X L2 1 / 2 X 2 1 / 2 X 5 / L64 X 64 X L2 1 / 2 X 2 1 / 2 X 1 / L64 X 64 X L2 1 / 2 X 2 1 / 2 X 3 / L64 X 64 X L2 X 2 X 5 / L51 X 51 X L2 X 2 X 1 / L51 X 51 X L2 X 2 X 3 / L51 X 51 X L2 X 2 X 1 / L51 X 51 X L1 3 / 4 X 1 3 / 4 X 1 / L44 X 44 X L1 3 / 4 X 1 3 / 4 X 3 / L44 X 44 X L1 3 / 4 X 1 3 / 4 X 1 / L44 X 44 X L1 1 / 2 X 1 1 / 2 X 1 / L38 X 38 X L1 1 / 2 X 1 1 / 2 X 3 / L38 X 38 X L1 1 / 2 X 1 1 / 2 X 5 / L38 X 38 X L1 1 / 2 X 1 1 / 2 X 1 / L38 X 38 X L1 1 / 4 X 1 1 / 4 X 3 / L32 X 32 X L1 1 / 4 X 1 1 / 4 X 1 / L32 X 32 X L1 X 1X 3 / L25 X 25 X L1 X 1X 1 / 0 8 L25 X 25 X L 3 / 4 X 3 / 4 X 1 / L19 X 19 X Section Steel- Equal Angle Bar-ASTM Equal Angle Bar- Steel Grade Chemical Composition Steel Grade ASTM A36 ASTM A572 Chemical Composition % Mn Alloy Element C, P S /mm Si Type mm 10 > > > > > Nb: V: 0.01 Nb: V:

94 Grade 50 ASTM Equal Angle Bar > V: Nb+V: Mechanical Capability N V/N 4 Yield Strength (Mpa) Tensile Elongation (%), Steel Grade, mm Strength L 0 =200mm L 0 =50mm 200 >200 MPa ASTM A ASTM A572 Gr ASTM A 36/A 36M-2001 Standard Specification for Carbon Structural Steel ASTM A 572/A 572M-2004 Standard Specification for High-Strength Low-Alloy Nominal Size Section Steel- Equal Angle Bar-ASTM Equal Angle Bar- Standard Columbium-Vanadium Structural Steel Tolerance on Length of S, M, C, MC, L, T, Z Section Steel and Bulb Angles Tolerance on Fixed Length 5-<10 10-< >30-40 >40-50 >50-65 >65 inch inch inch inch inch inch inch >20m 1.5-<3m 3-<6m 6-9m >9-12m >12-15m >15-20m <3inch 5/ / / / 2 0 <75mm inch 1/2 1/4 1/2 1/4 1/2 1/4 3/4 1/4 1 1/4 1 1 / 8 1/4 1 1 / 4 1/4 75mm Tolerance on and Leg Length of Hot Rolled Mild Steel Angles Tolerance on Leg Length 3/16 inch >3/16-3/8 inch >3/8 inch Tolerance on Leg Length 5 mm >5-10 mm >10 mm

95 ASTM Equal Angle Bar 1 inch ±0.008 ±0.010 ±1/32 25 mm ±0.2 ±0.2 ±1 >1-2 inch ±0.010 ±0.010 ±0.012 ±3/64 >25-50 mm ±0.2 ±0.2 ±0.3 ±1 >2-<3 inch ±0.012 ±0.015 ±0.015 ±1/16 >50-<75 mm ±0.3 ±0.4 ±0.4 ±2 Tolerance on Squareness of S, M, C, MC, L, T, Z Section Steel and Bulb Angles Section Steel Section Steel Tolerance on Squareness Type Type S, M, C and MC 1/64 inch per inch of the Height T (Rolled) S, M, C and MC mm per mm of the Height T (Rolled) L 1/64 inch per inch of the Height Z L mm per mm of the Leg Length or 1 1 / 2 degree Z Bulb Angle 3/128 inch per inch of the Height OR 1 1 / 2 degree Bulb Angle mm per mm of the Height or 1 1 / 2 degree Tolerance on Squareness 1/64 inch per inch of the Flange or Web mm per mm of the Flange or Web 3/128 inch per inch of Two Flanges Length Summation mm per mm of Two Flange s Summation Tolerance on Straightness of S, M, C, MC, L, T, Z Section Steel and Bulb Angles Item Size Tolerance <3inch 1/4 inch per 5 Feet Flexibility <75mm 4 X the Number of the Whole Length 3inch 1/8 inch per 5 Feet 75mm 2 X the Number of the Whole Length Camber All Commercial Standard

96 JIS Equal Angle Bar Section Steel- Equal Angle Bar-JIS Equal Angle Bar- Dimension Section Section Unit Weight Unit Weight Dimension Dimension (kg/m) (kg/m) AXB t AXB t 25X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Section Steel- Equal Angle Bar-JIS Equal Angle Bar- Steel Grade Chemical Composition Steel Grade mm C (%) Si (%) Mn (%) P (%) S (%) SS SS

97 SM490A SM490B JIS Equal Angle Bar > > Mechanical Capability Steel Grade Yield Strength σ b (Mpa) Tensile Strength (Mpa) Elongation or Diameter δ (%) 180 o Cold-bend Test r - Inside Radius a - A KV (0 o C) / J Plate, Strip, Flat Bar: r=0.5a SS330 > >40 28 Steel Bar, Angle: > r=0.5a > Plate, Strip, Flat Bar: r=1.5a SS400 > >40 23 Steel Bar, Angle: > r=1.5a > SM490A > > > SM490B > > >40 23

98 JIS Equal Angle Bar u Section Steel- Equal Angle Bar-JIS Equal Angle Bar- Standard JIS G Dimensions, Weight and Permissible Variations of Hot Rolled Steel Sections Tolerances on Shape and Dimensions Item Tolerance Summary a 50 ±1.5 Leg Length (A or B) 50<a 100 ± <a 200 ±3.0 a>200 ±4.0 H 100 ±1.5 Height (H) 100<H 200 ± <H 400 ±3.0 H>400 ±4.0 (t, t1, t2) Leg Length -A ( T Bar-B ) or Height not More Than 130 Leg Length -A ( T Bar-B ) or Height More Than 130 t 6.3 ± <t 10 ±0.7 10<t 16 ± t>16 ±1.0 t 6.3 ± <t 10 ± 10<t 16 ±1.0 16<t 25 ±1.2 t>25 ±1.5 Length <7m -0, +40

99 JIS Equal Angle Bar When Length 7m add 1m, Tolerance add 5mm Squareness I Beam Less Than 2.0% of Leg Length-B (T) Section Steel except Less Than 2.0% I Beam and T Bar of Leg Length-B Less Than I Beam and T Bar 0.20% Straightness Section Steel except I Beam and T Bar of Length Less Than 0.30% of Length For the Longitudinal or Transverse Big Bend

100 JIS Equal Angle Bar Eccentricity (S) Leg Length-B Less Than 300 T Bar ±3.0 Maximum Actual Weight Shortage than Theoretical Weight T, hickness Maximum Actual Weight Shortage than Theoretical Weight (t) mm (%) t 10 ±5 t>10 ±4

101 GB Equal Angle Bar Section Steel- Equal Angle Bar-GB Equal Angle Bar- Dimension Dimension Unit Dimension Unit Nominal Nominal Weight Weight Size Size B d (kg/m) B d (kg/m)

102 GB Equal Angle Bar Section Steel- Equal Angle Bar-GB Equal Angle Bar- Steel Grade Chemical Composition Steel C Mn Si P S V Nb Ti Grade Grade (%) (%) (%) (%) (%) (%) Q Q215 A B Q235 A B Q345 A B Steel Grade Q195 Mechanical Capability Yield Strength Elongation Tensile Strength σ S δ (Mpa) (Mpa) (%) > > >40-60 >40-60 > > o Cold-Bend Test r - Pin Diameter a - Longitudinal Transverse Charpy V-notch Impact Test ( Longitudinal) Temperature o C A KV / J 0 0.5a

103 Q215 Q235 Q345 GB Equal Angle Bar > > >150 > > > a a > > > > a 2a > > > > a 2.5a > > a 1.5a 20 > > a 1.5a > > a 2.5a 0 27 > > > > a 3a > > > Section Steel- Equal Angle Bar-GB Equal Angle Bar- Standard GB/T The Size and Dimension Tolerance of Hot Rolled Equal Angle Bar The Dimension Tolerance on Hot Rolled Equal Angle Bar Nominal Size Leg Length - b mm - d mm Length mm ±0.4 ±0.4-0, ±1.2 ±0.6-0, ±1.8 ±0.7-0, ±2.5 ±1.0-0, +50

104 EN UPN Section Steel- Equal Angle Bar-EN UPN- Dimension Nominal Dimension Unit Weight Size h b s t (kg/m) Section Steel- Equal Angle Bar-EN EN UPN- Steel Grade Chemical Composition Steel Grade /mm C (%) Si (%) Mn (%) P (%) S (%) Others (%) St N > N St N > N S235JR N > N S355JR N Mechanical Capability Tensile Strength for /mm Steel σ b /MPa Grade <3 >3-100 > > St37-2 St S235JR S355JR

105 EN UPN Yield Strength for /mm Steel σ 0.2 /Mpa Grade >16 >40 >63 >80 >100 >150 > St St S235JR S355JR Elongation for Absorbed-in-fracture Energy Longitudinal δ, (%) for AKV/J( ) Steel or 3 >40 >63 >100 >150 Test >10 >150 Grade Transverse Temperature Test-piece mm mm mm mm mm / o C mm mm St37-2 L T St52-3 L T S235JR L T S355JR L T DIN1026-2: Hot-rolled Steel Channels With Parallel Flange-Dimensions, Mass and Static Parameters EN10279: 2000 Hot-rolled Steel Channels-Tolerance on Shape, Dimension and Mass. Section Steel- Equal Angle Bar-EN UPN- Standard The Tolerance on the Dimension of UPN / UPE

106 EN UPN h b s T Nominal Size Tolerance Nominal Size Tolerance Nominal Size Tolerance Nominal Size Tolerance 30X15-65 ±1.5 30X ±1.5 30X ±0.5 30X ± ± ± ± ± The Flange Squareness against the Web of UPN / UPE Flange Width, b k > Maximum mm %b The Web Flexibility of UPN / UPE Web Height, h > Web Flexibility f Maximum mm mm mm The Actual Weight Tolerance against Theoretical Weight Total Theoretical Weight: ±4%; The Theoretical Weight per Piece: ±6%

107 JIS Channel Bar Section Steel- Equal Angle Bar- JIS Channel Bar- Dimension Section Dimension Unit Weight H x B t1 t2 (kg/m) 75 X X X X X Section Steel- Equal Angle Bar- JIS Channel Bar- Steel Grade Chemical Composition Steel Grade mm C (%) Si (%) Mn (%) P (%) S (%) SS SS SM490A > SM490B > Mechanical Capability Steel Grade SS330 Yield Strength Elongation Tensile σ b Strength δ (Mpa) or Diameter (Mpa) (%) Plate, Strip, Flat Bar: > o Cold-bend Test r - Inside Radius a - A KV (0 o C) / J r=0.5a

108 JIS Channel Bar >40 28 Steel Bar, Angle: > r=0.5a > Plate, Strip, Flat Bar: r=1.5a SS400 > >40 23 Steel Bar, Angle: > r=1.5a > SM490A > > > SM490B > > >40 23 Section Steel- Equal Angle Bar- JIS Channel Bar- Standard JIS G Dimensions, Weight and Permissible Variations of Hot Rolled Steel Sections Tolerances on Shape and Dimensions

109 JIS Channel Bar Item Tolerance Summary a 50 ±1.5 Leg Length (A or B) 50<a 100 ± <a 200 ±3.0 a>200 ±4.0 H 100 ±1.5 Height (H) 100<H 200 ± <H 400 ±3.0 H>400 ±4.0 (t, t1, t2) Leg Length -A ( T Bar-B ) or Height not More Than 130 Leg Length -A ( T Bar-B ) or Height More Than 130 t 6.3 ± <t 10 ±0.7 10<t 16 ± t>16 ±1.0 t 6.3 ± <t 10 ± 10<t 16 ±1.0 16<t 25 ±1.2 t>25 ±1.5 <7m -0, +40 Length 7m When Length add 1m, Tolerance add 5mm Squareness I Beam Less Than 2.0% of Leg Length-B (T) Section Steel except Less Than 2.0% I Beam and T Bar of Leg Length-B Straightness I Beam and T Bar Less Than 0.20% of Length For the Longitudinal or Transverse Big Bend

110 JIS Channel Bar Less Than Section Steel except 0.30% I Beam and T Bar of Length Eccentricity (S) Leg Length-B Less Than 300 T Bar ±3.0 Maximum Actual Weight Shortage than Theoretical Weight Thi, ckness Maximum Actual Weight Shortage than Theoretical Weight (t) mm (%) t 10 ±5 t>10 ±4

111 GB Channel Bar Section Steel- Equal Angle Bar- GB Channel Bar- Dimension Dimension Unit Nominal Weight Size h b d t (kg/m) a b a a a a a b a b a b a b

112 GB Channel Bar 36a b a b u Chemical Composition Section Steel- Equal Angle Bar- GB Channel Bar- Steel Grade Chemical Composition Steel C Mn Si P S V Nb Ti Grade Grade (%) (%) (%) (%) (%) (%) Q Q215 A B Q235 A B Q345 A B Steel Grade Q195 Q215 Q235 Mechanical Capability 180 o Cold-Bend Test Charpy V-notch Yield Strength Elongation r - Pin Diameter Impact Test Tensile a - ( Longitudinal) Strength σ S δ A KV (Mpa) Temperature Longitudinal Transverse / J C (Mpa) (%) > > >40-60 > > > a > > >150 > > > a a > > > > a 2a > > > > a 2.5a > > a 1.5a 20 27

113 Q345 GB Channel Bar > > a 1.5a 0 > > a 2.5a > > a 3a -20 > > > > > u Section Steel- Equal Angle Bar- GB Channel Bar- Standard GB/T The Size and Dimension Tolerance of Hot Rolled Channel Bar The Dimension Tolerance on Hot Rolled Channel Bar Nominal Size 5-8 mm mm mm mm mm Height- h ±1.5 ±2.0 ±2.0 ±3.0 ±3.0 Leg width- b ±1.5 ±2.0 ±2.0 ±3.0 ±3.5 Web - d ±0.4 ±0.5 ±0.6 ±0.7 ± Web bend Flexibility Not More Than 0.15d Length 5-12m 5-19m 6-19m

114 JIS H-Beam Section Steel- Equal Angle Bar- JIS H-Beam - Dimension Hot Rolled H-beam Section Dimension Unit Weight Section Dimension Unit Weight H X B t1 t2 (kg/m) H X B t1 t2 (kg/m) 100 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X

115 JIS H-Beam 300 X X X X X X X X X X X X X X X X X Welded Light Gauge H Steel Section Dimension Unit Weight Section Dimension Unit Weight H X B t1 t2 (kg/m) H X B t1 t2 (kg/m) 100 X X X X X X X X X X X X X X X X X X X X X X

116 JIS H-Beam 200 X X X X Section Steel- Equal Angle Bar- JIS H-Beam - Steel Grade Chemical Composition Steel Grade mm C (%) Si (%) Mn (%) P (%) S (%) SS SS SM490A > SM490B > Mechanical Capability Steel Grade Yield Strength σ b (Mpa) Tensile Strength (Mpa) Elongation or Diameter δ (%) 180 o Cold-bend Test r - Inside Radius a - A KV (0 o C) / J Plate, Strip, Flat Bar: r=0.5a SS330 > >40 28 Steel Bar, Angle: > r=0.5a > Plate, Strip, Flat Bar: r=1.5a SS400 > >40 23 Steel Bar, Angle: > r=1.5a >25 24 SM490A

117 JIS H-Beam > > > > SM490B > >40 23 JIS G Dimensions, Weight and Permissible Variations of Hot Rolled Steel Sections JIS G Welded Light Gauge H Steels for General Structures Section Steel- Equal Angle Bar- JIS H-Beam - Standard JIS G Dimensions, Weight and Permissible Variations of Hot Rolled Steel Sections Tolerances on Shape and Dimensions Item Tolerance Summary Height (H) Leg Width (B) ±3.0 t t 2 1 H 400 ± <H 600 ±4.0 H>600 ±5.0 t 2 16 ±1.5 16<t 2 25 ±2.0 25<t 2 40 ±2.5 t 2 >40 ±3.0 t 2 16 ±1.0 16<t 2 25 ±1.5 25<t 2 40 ±2.0 t 2 >40 ±2.5 <7m 0, +40 Length 7m When Length add 1m, Plus Tolerance add 5mm

118 JIS H-Beam Less than 1.2% of Leg T<300 Length, the Minimum Tolerance is 2.0mm Squareness (T) Less than 1.5% of Leg T 300 Length, the Minimum Tolerance is 2.0mm Straightness H<300 H 300 Less than 0.20% of the Length Less than 0.10% of the Length For the Longitudinal or Transverse Big Bend H<300 ±3.0 Eccentricity (S) H 300 ±4.5 Squareness of Kerf Bevel (e) Less than 1.6% of B or H, the Minimum Tolerance is 3.0mm Maximum Actual Weight Shortage than Theoretical Weight (t) mm Maximum Actual Weight Shortage than Theoretical Weight (%) t 10 ±5 t>10 ±4

119 JIS H-Beam JIS G Welded Light Gauge H Steels for General Structures Tolerances on Shape and Dimensions Item Tolerance Summary Leg Width (B) ±1.5 Height (H) ± mm ±2.5 Plate (t 1, t 2 ) 3.2mm ± mm ± mm,9.0mm,12.0mm ±6.0 Flexibility Verticality (T) Length H<300mm H 300mm H<300mm H 300mm +No Limit 0 Less Than 0.20% of The Length Less Than 0.10% of The Length Less Than 1.2% of Flange Length, the Minimum Tolerance is 2.0mm Less Than 1.5% of Flange Width Eccentricity (S) ±2.0mm