Call your Account Representative for floor stock availability or go on-line at www.independencetube.com. CSA G40.21 50W (350W) INDEPENDENCE TUBE is now manufacturing cold-formed HSS tubing to the Canadian specification CSA G40 50W, or what is commonly referred to as 350W. 6226 West 74th Street Chicago, IL 60638 1-800-376-6000 1-708-563-1950 (FAX) www.independencetube.com Comparison of ASTM A500 Grade C to CSA G40.21 50W Round Sections Mechanical Properties ASTM A500 Grade C CSA G40.21 50W O.D. Tolerance ASTM A500 Grade C CSA G40.21 50W Yield Strength 46,000 psi min 50,000 psi min >1.9"-2.5" Incl. +/-.75% +/-.020" Tensile Strength 62,000 psi min 65,000 psi min Over 2.5"-3.5" Incl. +/-.75% +/-.030" Elongation in 2" 21 min* 22 min* Over 3.5"-5.5" Incl. +/-.75% +/-.040" Over 5.5" +/-.75% +/-1% Comparison of ASTM A500 Grade C to CSA G40.21 50W Square & Rectangular Sections Mechanical Properties ASTM A500 Grade C CSA G40.21 50W O.D. Tolerance ASTM A500 Grade C CSA G40.21 50W Yield Strength 50,000 psi min 50,000 psi min >2.5" Incl. +/-.020" +/-.020" Tensile Strength 62,000 psi min 65,000 psi min Over 2.5"-3.5" Incl. +/-.025" +/-.030" Elongation in 2" 21 min* 22 min* Over 3.5"-5.5" Incl. +/-.030" +/-.040" Over 5.5" +/-1% +/-1% ASTM A500 Grade C CSA G40.21 50W Wall Thickness +/-10% +10% / -5% Mass N/A +10% / -3.5% Straightness (Max allowed) 1/8" X length (in feet) divided by 5 1/8" X length (in feet) divided by 5 Squareness +/- 2 degrees +/- 2 degrees January 2017