Rectangle ERW Steel Structural Tube

Rectangle ERW Steel Structural Tube Quick Detail: Standard: ASTM A500 Size:(mm): Outside Diameter Round Pipe: 6mm-350mm Square Pipe: 20*20-400*400mm Rectangular Pipe: 20*40-400*800mm Wall Thickness: max 35mm Length: max 24m Description: ASTM A500 Round Pipe and Rectangular Hollow Section Specification Outside Diameter Round Pipe 21.3-406.4mm Square Pipe 20*20-400*400mm Rectangular Pipe 20*40-400*800mm Wall Thickness 1-18mm Length 5.8-11.8m Standard BS, GB, ASTM, DIN EN