Grey Cast Irons. Technical Data
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1 Grey Cast Irons Standard Material designation Grey Cast Irons BS EN 1561 EN-GJL-200 EN-GJL-250 EN-GJL-300 EN-GJL (EN-JL1030) (EN-JL1040) (EN-JL1050) (EN-JL1060) Characteristic SI unit Tensile strength Rm N/mm ,1 % proof stress Rp0,1 N/mm Elongation A % 0,8 to 0,3 0,8 to 0,3 0,8 to 0,3 0,8 to 0,3 Compression strength σbb N/mm ,1 % compression yield point σd0,1 N/mm Bending strength σbb N/mm Shear strength σab N/mm Torsional strength τtb N/mm Modulus of elasticity Ε kn/mm to 143 Poisson's ratio ν - 0,26 0,26 0,26 0,26 Bending fatigue strength σbw N/mm Fatigue limit under reversed tensioncompression stresses σzdw N/mm Fracture toughness Κ 1c N/mm 3/ Density ρ g/cm 3 7,15 7,20 7,25 7,3 Specific heat capacity c J/(kg.K) between 20 C and 200 C between 20 C and 600 C Linear expansion coefficient α mm/(m.k) between -100 C and +20 C 10,0 10,0 10,0 10,0 between 20 C and 200 C 11,7 11,7 11,7 11,7 between 20 C and 400 C 13,0 13,0 13,0 13,0 Thermal conductivity λ W/(m.K) at 100 C 50,0 48,5 47,5 45,5 at 200 C 49,0 47,5 46,0 44,5 at 300 C 48,0 46,5 45,0 43,5 at 400 C 47,0 45,0 44,0 42,0 at 500 C 46,0 44,5 43,0 41,5 Resistivity ρ Ω. mm 2 /m 0,77 0,73 0,70 0,67 Coercivity H 0 A/m 560 to to to to 720 Maximum permeability µ µh/m 220 to to to to 330 Hysteresis losses at B = 1T J/m to to to to 3000
2 Austenitic Cast Irons Material designation Tensile Compression 0.2% Proof Elongation Charpy V Modulus of Brinell Strength Strength Stress impact elasticity hardness resistance Grade Rm RD RpQ,2 A value E Symbol Number N/mm 2 N/mm 2 N/mm 2 % J kn/mm 2 HB EN-GJLA-XNiCuCr15-6- EN-JL EN-GJSA-XNiCr20-2 EN-JS EN-GJSA-XNiMn23-4 EN-JS Engineering EN-GJSA-XNiCrNb20-2 EN-JS EN-GJSA-XNi22 EN-JS EN-GJSA-XNi35 EN-JS EN-GJSA-XNiSiCr EN-JS EN-GJLA-XNiMn13-7 EN-JL Special EN-GJSA-XNiMn13-7 EN-JS Purpose EN-GJSA-XNiCr30-3 EN-JS EN-GJSA-XNiSiCr EN-JS EN-GJSA-XNiCr35-3 EN-JS
3 Abrasion Resistant Cast Irons Material Designation Vickers Brinell Rockwell Chemical composition % (mass fraction) Symbol Number Hardness Min Min HRC Min C Si Mn P S Ni Cr EN-GJN-HV350 EN-JN ,4-3,9 0,4-1,5 0,2-1,0 max. 2,0 EN-GJN-HV520 EN-JN ,5-3,0 max, 0,8 max, 0,8 max, 0,10 max, 0,10 3,0-5,5 1,5-3,0 EN-GJN-HV550 EN-JN ,0-3,6 max, 0,8 max, 0,8 max, 0,10 max, 0,10 3,0-5,5 1,5-3,0 EN-GJN-HV600 EN-JN ,5-3,5 1,5-2,5 0,3-0,8 max, 0,08 max, 0,08 4,5-6,5 8,0-10,0 Material Designation Chemical composition in % (mass fraction) Vickers hardness Symbol Number C Si max. Mn P max. S max. Cr Ni max. Mo max. Cu max. HV min. EN-GJN-HV600(XCr11) EN-JN3019 >1,8-2,4 1,0 0,5-1,5 0,08 0,08 11,0-14,0 2,0 3,0 1,2 600 EN-GJN-HV600(XCr14) EN-JN3029 >1,8-2,4 1,0 0,5-1,5 0,08 0,08 14,0-18,0 2,0 3,0 1,2 600 EN-GJN-HV600(XCr18) EN-JN3039 >1,8-2,4 1,0 0,5-1,5 0,08 0,08 18,0-23,0 2,0 3,0 1,2 600 EN-GJN-HV600(XCr23) EN-JN3049 >1,8-2,4 1,0 0,5-1,5 0,08 0,08 23,0-28,0 2,0 3,0 1,2 600
4 Spheroidal Graphite Cast Irons Standard M a t e r i a l d e s i g n a t i o n EN-GJS- EN-GJS- EN-GJS- EN-GJS- EN-GJS- EN-GJS- EN-GJS- EN-GJS- EN-GJS- Spheroidal Graphite Cast Irons BS EN LT LT (1997) (EN-JS1015) (EN-JS1025) (EN-JS1020) (EN-JS1030) (EN-JS1040) (EN-JS1050) (EN-JS1060) (EN-JS1070) (EN-JS1080) Characteristic SI unit Tensile strength Rm (min) N/mm ,2 % proof stress Rp0,2 (min) N/mm Elongation A (min) % Brinell hardness (typical) HB max 163 max 179 max 187 max / / / / /352 Impact resistance values (min) at (-40 ± 2) C J 12 1) (9 2) ) not specified at (-20 ± 2) C J 12 1) (9 2) ) Compression strength σdb N/mm Shear strength σab N/mm Torsional strength τtb N/mm Modulus of elasticity Ε GN/m 2 (tension and compression) (kn/mm 2 ) Poisson s ratio ν - 0,275 0,275 0,275 0,275 0,275 0,275 0,275 0,275 0,275 Fatigue limit (Wöhler) (rotating bending) unnotched (dia 10,6 mm) N/mm Fatigue limit (Wöhler) (rotating bending) notched (dia 10,6 mm) N/mm Fracture toughness Κ1c Mpa. m 1/ Density ρ g/cm 3 7,1 7,1 7,1 7,1 7,1 7,1 7,2 7,2 7,2 Specific heat capacity c between 20 C and 500 C J/(kg.K) Linear expansion coefficient α between 20 C and 400 C µm/(m.k) 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 12,5 Thermal conductivity λ at 300 C W/(m.K) 36,2 36,2 36,2 36,2 36,2 35,2 32,5 31,1 31,1 Resistivity ρ µω.m 0,50 0,50 0,50 0,50 0,50 0,51 0,53 0,54 0,54 Maximum permeability µ µh/m Hysteresis losses at B = 1T J/m Notes: 1) Mean value from 3 tests 2) Individual value
5 Austempered Ductile Cast Irons (ADI) Austempered Ductile Standard Material designation; symbol and (number) Cast Irons (ADI) BS EN 1564 EN-GJS EN-GJS EN-GJS EN-GJS (1997) (EN-JS1100) (EN-JS1110) (EN-JS1120) (EN-JS1130) Characteristic SI unit Minimum values for properties1) normative Tensile strength Rm (min) N/mm % proof stress Rp0.2 (min) N/mm Elongation A (min) % Impact resistance values (min) J 10 2) (9 3) ) 2) mean value of 3 tests Charpy (notched) at (23±5) o C 3) individual value Compression strength σdb N/mm % proof N/mm Shear strength σdb N/mm Torsional strength τdb N/mm % proof N/mm Impact resistance values J Charpy unnotched, at (23±5) o C Fracture toughness K1c Mpa-m 1/ Fatigue limit (Wöhler) N/mm (rotating bending) unnotched (dia mm) Fatigue limit (Wöhler) N/mm (rotating bending) notched 4) (dia mm) Typical values Brinell hardness HB Modulus of elasticity Ε kn/mm (tension and compression) Possion's ratio ν Shear modulus kn/mm Density ρ kg/dm Linear expansion coefficient α µm/(m.k) Thermal conductivity λ W/(m.K) Note 1: The minimum values can be obtained on wall thickness up to 50 mm. For heavier section agreement between purchaser and manufacturer is recommended. Note 4: Notched after heat treatment.
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