Hubei Skyland Metals Ltd. [China]

1) Square tube 2) OD 20*20mm-800*800mm 3) WT 2mm--40mm

1) Square tube

2) OD 20*20mm-800*800mm

3) WT 2mm--40mm

4) Standard DIN.EN.ASTM.GB.API

5) Material: 20#.Q195.Q235.Q345.ST52, ST37, S355

6) Surface Oiled or black painted to prevent rust.

Square Steel Pipe