Jun 10, 2010
Standard: GB,ASME,DIN,API,ASTM
Grade: Q195,Q215,Q235,Q345,ST37,ST52,STK400,GR.B,X42,X46,X52,X56,X60,...
OD: 406mm to 1750mm
Thickness: 6mm to 45mm
Section Shape: Round
Surface Treatment: Varnished, black oiled
Type: Welded
Welded Line...