Carbon steel tubes for general structural purposes BS 1139-1964 JISG 3444 STK 41
BS-thins wall tubes
Standard ASTM A-53 SCHEDULE 40 GRADE A&B STEEL PIPE
Carbon Steel Square Pipe for general structural purposes ASTM A500 STKR 400 STKR 490
Light Lip Channel
Standard Light Lip Channel
Hot Rolled Coil
Carbon Steel Sheets
Wide Flange
I-Beam
Angles
Deformed Bar
ASTM A53-89 Plain End Pipe