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HSS LRFD Beam Load Tables

HSS Manufacturing Methods The transformation of steel strip into hollow structural sections (HSS) is the result of operations including forming, welding and sizing. Currentl three methods are being used in North America for the manufacture of HSS. These methods, including two methods and an SAW method, are described below. Both methods meet ASTM A and CSA G-. requirements for the manufacture of HSS, and the sizes included in this publication ma be produced to either standard. The SAW method is not included as a manufacturing process in the ASTM or CSA specification. SAW sizes listed in this publication can be specified to meet desired phsical and dimensional criteria of ASTM A and CSA G-. Electric Resistance Welding () Process In the tube mill, flat steel strip (1) is formed continuousl around its longitudinal ais to produce a round tube. This is done b moving the strip through a progressive set of rolls (-). The strip edges () are heated b either high frequenc induction or contact welding and then forged together b weld rolls to create a continuous longitudinal weld without the addition of filler metal. The weld seam () is then cooled and processed through a set of sizing/shaping rolls which cold-form it into a round (), square () or rectangular () section. 1 Form-Square Weld-Square () Process In the weld mill, driven forming dies progressivel shape the flat strip (1) b forming the top two corners () of the square or rectangular tube in the initial forming station. Subsequent stations form the bottom two corners () of the shape. No cold working of the sides of the shape is performed, and the shape s seam is welded b high-frequenc contacts when the tube is near its final shape and size. The welded tube () is cooled and then driven through a series of sizing stations which qualifies the tube s final dimensions. 1 1 Submerged Arc Weld (SAW) Process Two identical pieces of flat strip (1) are placed in a press brake and formed into two identical halves () of a finished tube size. A backup bar is tack welded to each leg of one of the half-sections (). The two halfsections are fitted together toe-to-toe () and welded b the submerged arc process to complete the square or rectangular section (). 1 1

STI/HSS Member Companies Atlas Tube, Inc. Clark Street, P.O. Bo Harrow, Ontario NR 1G Telephone: (1) -1 () - Fa: (1) - Bull Moose Tube Compan Clarkson Road, Suite Chesterfield, MO 1 Telephone: () - () - Fa: () - Eugene Welding Compan P.O. Bo Marsville, MI Telephone: () - () - Fa: () - Hanna Steel Corporation P.O. Bo, Fairfield, AL Telephone: () - () - Fa: () - Hannibal Industries, Inc. P.O. Bo, 1 Santa Fe Ave. Los Angeles, CA Telephone: () -1 Fa: () - Independence Tube Corporation W. th Street Chicago, IL - Telephone: () - () - Fa: () - IPSCO Tubulars Inc. P.O. Bo 1, th Avenue Camanche, IA Telephone: () - () - Fa: () - LTV Copperweld East nd Street Chicago, IL Telephone: () - Fa: () - (In Canada) Holtb Avenue Brampton, Ontario Canada LX M Telephone: () 1- () - Fa: () - Maverick Tube Corporation 1 Swingle Ridge Road, Suite Chesterfield, MO 1 Telephone: () - () - Fa: () - Novamerican Steel Inc. Hmus Boulevard Dorval, Quebec, Canada HP 1J Telephone: () - () 1- Fa: () - (In United States) Dean Sievres Place Morrisville, PA 1 Telephone: () - Fa: () - Productos Laminados de Monterre, SA de CV Headquarters & Monterre Plant Ave. Lazaro Cardenas Pte. Col. Nino Artillero Monterre, N.L. Meico C.P. Telephone: () 1- () 1- Fa: () 1- (U.S. Office) Prolamsa, Inc. 1 SW Freewa, Suite Stafford, TX Telephone: () - Fa: () - Valmont Industries (Structural Tube Division) P.O. Bo Tulsa, OK 1 Telephone: (1) -1 () 1- Fa: (1) - Vest, Incorporated Alcoa Avenue Los Angeles, CA Telephone: () 1- () - Fa: () 1- Welded Tube of Canada Limited 1 Raette Road Concord, Ontario, Canada LK E Telephone: () - () - Fa: () - OF NORTH AMERICA

Foreword Load and Resistance Factor Design (LRFD) beam load tables are presented for rectangular and square Hollow Structural Sections (HSS) manufactured b the electric resistance welding () method and the submerged arc welding (SAW) method. Maimum factored uniform loads for simple laterall supported beams have been calculated in accordance with the AISC "Specification for the Design of Steel Hollow Structural Sections April, 1". This Specification is a supplement to the AISC "Load and Resistance Factor Design Specification for Structural Steel Buildings December 1, ". The factored uniform loads are based upon section propert data for HSS that were recalculated in to account for more precise manufacturing methods. Revised section propert data for HSS is published in "Hollow Structural Sections Dimensions and Section Properties" available from the Steel Tube Institute of North America. Tables are presented for two specified minimum ield point steels; F = ksi and F = ksi. The tabulated factored uniform loads for HSS sizes produced b the and SAW methods are presented in separate tables. The factored uniform loads, in kips, are based upon the fleural design strength specified in the "HSS Specification". Factored uniform loads are also included for HSS defined as slender-element cross-sections. These sections are identified in the tables with an asterisk ( * ) immediatel following the design wall thickness parameter in the heading and a double asterisk ( ** ) immediatel following the effective section modulus, S eff, in the Properties section. The foot weight of the HSS beam is included in the tabulated loads and must be deducted to determine the net load that the beam will support. It is assumed that the loading is applied in the plane of the minor ais and that the HSS beam deflects verticall in the plane of bending onl. Refer to Part Beam and Girder Design, of the AISC nd Edition "Manual of Steel Construction Load & Resistance factor Design" for a discussion of the design strength of beams. Smbols used in these tables follow those used in the AISC "Manual". Table of Contents Page How to use the Beam Load Tables... Beam Load Tables () Square HSS () F = ksi... F = ksi... () F = ksi... Square HSS () (SAW) Square HSS (SAW) (SAW) Square HSS (SAW) F = ksi... F = ksi... F = ksi... F = ksi... F = ksi...

How To Use The Beam Load Tables Eample 1 A simpl supported in. in. / in. HSS beam of F = ksi (ASTM A Gr. B) spans feet. The beam is laterall braced for its entire length. Determine the uniform load capacit for loading in the plane of the minor ais. Enter the F = load table for the HSS/ (page ). Read across the row at the span equal to feet and note that the maimum factored uniform load is equal to kips. Note that this includes the weight of the HSS beam. Eample Select the lightest -inch deep, simpl supported HSS beam of F = ksi (ASTM A Gr. C) to span feet and support a maimum factored uniform load of kips (includes the estimated weight of the HSS beam). The beam is laterall supported for its entire length. Enter the F = ksi load tables for the -in. deep rectangular and in. deep square HSS. Note that the maimum factored uniform load capacit for a: The information presented in this publication has been prepared in accordance with recognized engineering principles and is for general information onl.while it is believed to be accurate, this information should not be used or relied upon for an specific application without competent professional eamination and verification of its accurac, suitabilit, and applicabilit b a licensed professional engineer, designer, or architect.the publication of the material contained herein is not intended as a representation or warrant on the part of The Steel Tube Institute of North America or of an other person named herein, that this information is suitable for an general or particular use or of freedom from infringement of an patent or patents. Anone making use of this information assumes all liabilit arising from such use. Caution must be eercised when reling upon other specifications and codes developed b other bodies and incorporated b reference herein since such material ma be modified or amended from time to time subsequent to the printing of this edition.the Institute bears no responsibilit for such material other than to refer to it and incorporate it b reference at the time of the initial publication of this edition. HSS1/ HSS/ HSS1/ HSS/ HSS/ HSS1/ HSS/ HSS/ (. lbs./ft.) = kips > kips o.k. (1. lbs./ft.) = kips < kips not good (. lbs./ft.) = kips > kips o.k. (1. lbs./ft.) = kips < kips not good (. lbs./ft.) = kips > kips o.k. (1. lbs./ft.) = kips < kips not good (. lbs./ft.) = kips > kips o.k. (1. lbs./ft.) = kips < kips not good Select: HSS/ (weight =. lbs. per ft.)

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1/ / / / 1/ / / 1/ / /.............*.1...... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1.**..... 1... 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1 / 1/ / / 1/ 1/ / / / 1/ / /.............1.......*.1... F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1......**.....1...1. 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / / 1/ / / 1/............1....* F = ksi 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..... 1....**.. 1.1.... 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported / 1/ / / 1/ / / 1/ / / 1/ /............1.1......1..... F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1........... 1.......1.1 1....... Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / 1/ / 1/ / / 1/ /..............*.1.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.. 1...**.1.....**. 1.1 1..1.1.1..... Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / / 1/ / / 1/ /......1..... 1..1......1..... F = ksi 1 1 1 1 1 1 11 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...... 1..... 1......1.1...... 1... 1 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= 1/ / / / 1/ / 1/ / 1/ / / 1/ /.1... 1.. 1......1............* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.... 1.... 1.........**.... 1..1. 1....1... 1. 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / 1/ / / 1/ / / / 1/ /..... 1.... 1..1......... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 11........ 1...1. 1.. 1..... 1..... 1.. 1 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ F= / 1/ / / 1/ / / / / 1/ / 1/.1.... 1.......1.1........... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1.1........... 1.... 1.......1..1 1........ 1.... 1 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / / 1/ / / 1/ / / 1/ /.. 1....... 1......1.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1... 1..1.....1.... 1..**. 1...1....1.... Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / 1/ / / 1/ /.1.... 1.... 1...1.......... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1...1 1.1........ 1... 1......... 1.1.. 1...... 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / 1/ / / 1/ / / 1/ / / 1/ / 1/.1.... 1..... 1....1......1...... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...1... 1. 1.. 1...1... 1. 1.1.1.. 1.......1..1..... 1..1... 1.. 1... 1 1 1 Load above heav horizontal line is limited b design shear strength. 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= 1/ / / 1/ / 1/ / / 1/ / 1/... 1...1. 1............... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...... 1........1........1...1........1.1...... 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / 1/ 1/ / / 1/ / 1/.... 1...... 1...1.1......*...... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in....... 1.. 1..... 1. 1..1....**........ 1..... 1..1.1... 1 1 1... 1 1 1... 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b). 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / 1/ / 1/ / / 1/ /.. 1...... 1............ F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..... 1..... 1.....1.........1....... 1 1 1..... 1. 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= 1/ / / 1/ / 1/ 1/ / / 1/ / 1/.. 1..... 1...1.............. F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..........1 1.........1.............1..1.1.... 1.... 1.. 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / / 1/ / 1/ 1/ / / 1/ / 1...... 1...1........... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1.1..1... 1.....1..............1....... 1...... 1 1. 1 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ 1/ / / 1/ / 1/ 1/ / 1/. 1................. F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...1......1......1.1..1.................. 1..1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ / / 1/ / 1/ / / 1/ / 1/ / 1/ /...1..1...1..1...1............. F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 F= 1 1 1 I, in. S, in. Z, in.................. 1..... 1.....1......1.1...............1..... 1....

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ 1/ / / 1/ / 1/ / / 1/ / 1/.1..1...1..1............ F = ksi 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.............. 1. 1..1..1 1. 1..... 1.....1 1......1...... 1.1...1....

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1 1/ F= / 1/ / 1/ / 1/ / 1/ 1/ / 1/.1..................... F = ksi 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..1.. 1... 1. 1. 1. 1. 1. 1. 1.1 1.1 1. 1. 1. 1.1. 1....1. 1. 1.. 1. 1. 1. 1.1 1..... 1.... 1... 1......... 1...

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1 1/ 1 1/ 1 1/ 1 / 1/ 1/ / 1/ / 1/ / 1/...1............... F = ksi 1 1 1 I, in. S, in. Z, in. 1..1 1..1................ 1...1..... 1.... 1.. 1....1.. 1. 1..1..1

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / 1/ / / / 1/ / / / 1/ / / 1/..............1..*.*.1..*.*.1...*.* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 11 1 **.**.**.1** 1....**.** 1 1...... 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / 1/ / / 1/ /...........1.1....*.*....*.* F = ksi 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1.. 1....** 1.**....**.**....1.....1.. 1.. 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / / 1/ / / 1/ /..... 1..1.... 1..1.....*.1.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.........1...... 1..**.. 1....**....1...1..1 1... 1.. 1 1 1.. Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ 1/ / 1/ / / 1/ / 1/ / / 1/ / 1/.... 1..... 1...1.1......*.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..1......... 1.. 1..1.1....**....1.**. 1.......1...1... 1....... Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ F= 1/ / / 1/ / 1/ 1/ / / 1/ / 1/.. 1..... 1...1........*......* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in... 1.... 1.........1.1..**.....1.**.1...1.......1........1.1.. 1. 1 1. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ F= 1/ / / 1/ / 1/ / / 1/ / 1/. 1........1..1........... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...................... 1........... 1.......1..... 1....

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ 1/ 1/ F= / / 1/ / 1/ / 1/ / 1/ 1/ / 1/.1..1..................... F = ksi 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..... 1. 1. 1. 1.. 1....1..1 1. 1.1 1. 1. 1.. 1...... 1. 1. 1. 1. 1.. 1. 1...... 1..1.... 1....... 1....1...

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1 / 1 / 1 / 1 / 1 1/ 1 1/ 1 1/ 1 1/ 1/ / 1/ / / 1/ / 1/ / 1/.1........ 1........... F = ksi 1 1 1 I, in. S, in. Z, in.........1.1.1........1.......1...... 1...1.........1.1......

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / / 1/ / / 1/ / /.............*.1...... F = ksi 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1.**..... 1... Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1 F = ksi F= / 1/ / / 1/ 1/ / / / 1/ / /.............1.......*.1... 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1......**.....1...1. 1 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / / 1/ / / 1/............1....* F = ksi 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 11 1 1 1 I, in. S, in. Z, in. 1 1 1 1.... 1... 1.**.. 1.1.... 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / / 1/ / / 1/ /............1.1......1..... F = ksi 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1........... 1.......1.1 1....... Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / 1/ / 1/ / / 1/ /..............*.1.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.. 1...**.1.....**. 1.1 1..1.1.1.... 1 1 1 1 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / / 1/ / / 1/ /......1..... 1..1......1..... F = ksi 1 1 11 11 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...... 1..... 1......1.1...... 1. 1 1 1 1 1 1 1 1 Load above heav horizontal line is limited b design shear strength. 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / / 1/ / 1/ / 1/ / / 1/ /.1... 1.. 1......1............* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1... 1.... 1.........**.... 1..1. 1....1. 1 1 1 1 1 1 1 1 1. Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / 1/ / / 1/ / / / 1/ /..... 1.... 1..1......... F = ksi 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 11........ 1...1. 1.. 1..... 1..... 1 1 1. 1 1.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ F= / 1/ / / 1/ / / / / 1/ / 1/.1.... 1.......1.1........... F = ksi 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..1........... 1.... 1.......1..1 1........ 1 1 1.. 1 1.. 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size / / 1/ / / 1/ / / 1/ /.. 1....... 1......1.....* F = ksi 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1... 1..1.....1.... 1..**. 1...1....1.. 1 1. 1 1. Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / 1/ / / 1/ /.1.... 1.... 1...1.......... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in....1 1.1........ 1... 1......... 1.1.. 1.... 1 1. 1 1. 1 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / / 1/ / / 1/ / 1/.1.... 1..... 1....1......1...... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...1... 1. 1.. 1...1... 1. 1.1.1.. 1.......1..1..... 1..1... 1 1 1 1 1. 1 1 1 1 1.. 1 Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= 1/ / / 1/ / 1/ / / 1/ / 1/... 1...1. 1............... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.... 1..1.1 1... 1 1... 1.... 1....... 1... 1... 1..1.1....1. Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / 1/ 1/ / / 1/ / 1/.... 1...... 1...1.1......*...... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in....... 1.. 1..... 1. 1..1....1**........ 1..... 1..1.1....1...1.. Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ / / 1/ / 1/ / / 1/ /.. 1...... 1............ F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.... 1..... 1.....1.........1........1..... Load above heav horizontal line is limited b design shear strength.

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ / / 1/ / 1/ 1/ / / 1/ / 1/.. 1..... 1...1.............. F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..........1 1.........1.............1..1.1.. 1.... 1.... 1 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported / / 1/ / 1/ 1/ / / 1/ / 1...... 1...1........... F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1.1..1... 1.....1..............1......... 1..... 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ / / 1/ / 1/ 1/ / 1/. 1................. F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...1......1......1.1..1.......... 1........ 1 1..

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ / / 1/ / 1/ / / 1/ / 1/ / 1/ /...1..1...1..1...1............. F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 F= 1 1 1 I, in. S, in. Z, in.................. 1..... 1.....1......1.1...............1... 11 1 1.1.. 1.1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= 1/ 1/ / / 1/ / 1/ / / 1/ / 1/.1..1...1..1............ F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in.............. 1. 1..1..1 1. 1..... 1.... 1.1 1......1............

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1 1/ F= / 1/ / 1/ / 1/ / 1/ 1/ / 1/.1..................... F = ksi 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..1.. 1... 1. 1. 1. 1. 1. 1. 1.1 1.1 1. 1. 1. 1.1. 1....1. 1. 1.. 1. 1. 1. 1.1 1...1.. 1..1.. 1... 1... 1.........

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1 1/ 1 1/ 1 1/ 1 / 1/ 1/ / 1/ / 1/ / 1/...1............... F = ksi 1 F= 1 1 1 I, in. S, in. Z, in. 1..1 1..1................ 1...1..... 1.... 1.. 1.......1 1....

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / / 1/ / / / 1/ / / 1/..............1..*.*.1..*.*.1...*.* F = ksi 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 I, in. S, in. Z, in. 11 1.**.1**.1**.** 1....**.** 1 1...... 1 1 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / 1/ / / 1/ /...........1.1....*.*....*.* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1.. 1....** 1.**....1**.**....1.....1.. 1 1 1. 1 1. 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= / 1/ / / 1/ / / 1/ / / 1/ /..... 1..1.... 1..1.....*.1.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 \ 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1........1...... 1..**.. 1....**....1...1..1 1... 1 1 1 1 1..1. 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ F= / 1/ / / 1/ / 1/ / / 1/ / 1/.... 1..... 1...1.1......*.....* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in..1......... 1.. 1..1.1....**....1.**. 1.......1...1. 1 1...... 1.. Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b). 1

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ F= 1/ / / 1/ / 1/ 1/ / / 1/ / 1/.. 1..... 1...1........*......* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in... 1.... 1.........1.1..**.....1.**.1...1.......1. 1.......... 1. 1 1. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1/ 1/ F= 1/ / / 1/ / 1/ / / 1/ / 1/. 1........1..1........... F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in...................... 1........... 1......1..... 1 1. 1..

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1/ 1/ 1/ 1/ / / 1/ / 1/ / 1/ / 1/ 1/ / 1/.1..1..................... F = ksi 1 1 1 1 1 1 1 I, in. S, in. Z, in..... 1. 1. 1. 1.. 1....1..1 1. 1.1 1. 1. 1.. 1...... 1. 1. 1. 1. 1.. 1. 1....1.. 1.......1.1....1........

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= Nominal Size 1 / 1 / 1 / 1 / 1 1/ 1 1/ 1 1/ 1 1/ 1/ / 1/ / / 1/ / 1/ / 1/.1........ 1........... F = ksi 1 1 1 I, in. S, in. Z, in.........1.1.1........1.......1...... 1......1..... 1. 1...1....

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 / 1/ / / 1/ / / 1/ /..........*.*.*.*.*.*.*.*.* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 11 1 11 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. ** ** ** ** ** ** ** ** ** 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

1 1 1 Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1 / 1/ / / 1/ / / 1/ / / 1/ /............1.*.*.*..*.*..*.*...* F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SAW 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 ** ** ** ** ** 1 ** 1** ** Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

1 1 1 Maimum Factored Uniform Loads in Kips for Beams Laterall Supported 1 / 1/ / / / 1/ / / 1/ /...1.....1 1.....*....... F = ksi F= 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SAW 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 ** 1 1.. 1. 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 / 1/ / / 1/ / / 1/ / / 1/ /.... 1.........*.*.*.*.*.*.*.*.*.*.*.* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 11 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ** ** ** ** ** ** ** ** ** ** ** ** 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 1 1 / 1/ / / 1/ / / 1/ / / 1/ / 11............1.*.*.*..*.*..*.*...* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 I, in. S, in. Z, in. 1 1 ** ** ** ** ** 1** ** 1 ** 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b). 1

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 / 1/ / / 1/ / / 1/ /..........*.*.*.*.*.*.*.*.* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 11 1 1 ** ** ** ** 1** ** ** ** ** 1 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 1 / 1/ / / 1/ / / 1/ / / 1/ /............1.*.*.*..*.*..*.*...* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 11 1 11 1 1 11 1 1 1 1 1 1 1 1 1 1 ** ** ** ** ** 1 ** ** ** Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 1 / 1/ / / / 1/ / / 1/ /...1.....1 1.....*.......* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 ** 1 1.. 1. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 / 1/ / / 1/ / / 1/ / / 1/ /.... 1.........*.*.*.*.*.*.*.*.*.*.*.* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 I, in. S, in. Z, in. 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ** ** ** ** ** ** ** ** ** ** ** ** 1 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

Square HSS Maimum Factored Uniform Loads in Kips for Beams Laterall Supported F= SAW Nominal Size 1 1 1 1 1 / 1/ / / 1/ / / 1/ / / 1/ / 11............1.*.*.*..*.*..*.*...* F = ksi 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11 1 1 1 1 1 1 1 11 I, in. S, in. Z, in. 1 1 ** ** ** ** ** ** ** 1 ** 1 1 Load above heav horizontal line is limited b design shear strength. * Section contains slender compression element; i.e. λ > λ r. ** Effective section modulus, S eff, calculated in accordance with AISC HSS Specification" Section.1(b).

OF NORTH AMERICA Steel Tube Institute of North America, Station Street, Suite, Mentor, Ohio Tel: () - Fa: () - E-mail: sti@apk.net American Iron and Steel Institute /