| Size | OD | 1/2” -24” (21.3mm-610mm) |
| Wall Thickness | 0.5mm-12mm |
| Length | Length can be customized,Maximum 12M |
| Steel material | Q195→Grade B, SS330, SPHC, S185 |
| Q215→Grade C, CS Type B, SS330, SPHC |
| 235→Grade D, SS400, S235JR, S235JO, S235J2 |
| Q345→SS500, ST52 |
| Standard | BS1387, BS EN10297, BS EN10219; |
| ASTM A53-2007, ASTM A335-2006; |
| GB/T3091-2001, GB/T3090-2000. |