ASTM : A1057/A1057M − 08 (Reapproved 2014)
Standard Specification for
Steel, Structural Tubing, Cold Formed,Welded, Carbon,
Zinc-Coated (Galvanized) by the Hot-DipProcess
ASTM A1057A1057M − 08 (Reapproved 2014)Standard Specification for Steel, Structural Tubing, Cold Formed,Welded, Carbon,Zinc-Coated (Galvanized) by the Hot-DipProcess