Product features
1. Technology of Hot Rolled, Cold Rolled or Cold drawn.
2. Hollow cross-section with lighter weight and higher pressure.
3. High hardness, strength, wear resistance and anti-corrosion.
4. threaded or grooved. And the coating method includes black / red lacquer, varnish painting, hot dip galvanization, etc.
| Diameter | 219~3520mm |
| Thickness | 5~30mm |
| Length | 3m-12m or as per customers request |
| International standard | ISO9001-2008, GB/T 9711-1997, SY/T 5037-2000, API 5L |
| Certification | ISO9001, API 5L |
| Material | Q195,Q215,Q235,Q345(B,C,D,E) |
| Technique | SSAW |
| Usage | Mechanical & manufacture, Steel structure, Shipbuilding, Bridging ,Automobile chassis |




