| Outer Diameter | 20*20mm~400*400mm |
| Length | 3-12M according to client requirement |
| Standard | Hollow section: ASTM A500, EN10219, EN10210, JIS3466, GB/T 6728 |
| Material | Gr.A, Gr.B, Gr.C, S235, S275, S355, A36, SS400, Q195, Q235, Q345 |
| Certificate | API , ce, Bsi, BIS, KS, GS, ISO9001 |
| Finish of pipe |
Hot dipped galvanized with zinc 220~260g/m2; |
| Applications |
Construction / building materials steel pipe |
| Techinical | ERW |
| Delivery Time | 15-21 days |
| Place of Origin | Tianjin, China |









Galvanized Steel Tube Square Tube Welded structural steel pipe ERW technique steel pipe Hollow Square Tube ASTM certified GI Pipe 50x 50mm /100x 100mm Greenhouse Building