... Guide to Shop Painting of Structural Steel, published jointly bySSPC and AISC. Code of Standard Practice for Steel Buildings and Bridges, March 7, 20 00AMERICAN INSTITUTE OF STEEL CONSTRUCTION37 ... permissible Code of Standard Practice for Steel Buildings and Bridges, March 7, 20 00AMERICAN INSTITUTE OF STEEL CONSTRUCTION39In all cases, completed members shall be free of twists,bends and open ... specified for an equivalent straight member of thesame straight length in ASTM A6/A6M. Code of Standard Practice for Steel Buildings and Bridges, March 7, 20 00AMERICAN INSTITUTE OF STEEL CONSTRUCTION 32 6.5.3....