Weld steel tube/pipe/square pipe
Features of square Steel Pipe:
1)Type: Carbon weld steel pipe of SSAW, LASW and ERW.
2)Material: SPHC, 08AL, 08F, HG5, DF08, Q195, Q215, Q235, Q345, STK500, or per the buyers demand.
3)Standards: ASTM, JIS, DIN, EN, BS, GB.
4)Size from 20mm*20mm*1.2mm to 600mm*400mm*16mm