Mechanicals A513 and Structurals A500-B/C
Squares 1/2″ x 1/2″ x 0.065 through 16″ x 16″ x 0.625
Rectangles 1-1/2″ x 1″ x 0.065 through 20″ x 12″ x 0.625
Pipe 1/2″ Sch40 through 12″ Sch80
Mechanicals A513 and Structurals A500-B/C
Squares 1/2″ x 1/2″ x 0.065 through 16″ x 16″ x 0.625
Rectangles 1-1/2″ x 1″ x 0.065 through 20″ x 12″ x 0.625
Pipe 1/2″ Sch40 through 12″ Sch80