
| Material | A53 B, St37-2, St52-4, |
| Wall thickness | 1mm~20mm |
| Outer Diameter | 21.3MM~1620MM |
| Physical Property | API 5L, ASTM A53, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M, BS 1387 |
| Grade | A53 B , ST37-ST52 |
| Surface Treatment | 1. GalvanizedĀ 2. BlackĀ 3. Transparent oil,anti-rust oil |
| Pipe Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
| Certificate | API 5L,FM,UL, CE, |
| Application | Suitable for fire piping system,air,gas,oil and so on |
| Buyer’s drawing or designs are available |





