| Section Shape |
Round |
| Secondary Or Not |
Non-secondary |
| Application |
Boiler Pipe |
| Technique |
Hot Rolled |
| Alloy Or Not |
Non-alloy |
| Standard |
BS |
| Grade |
Cr-Mo alloy |
| Thickness |
2 - 6 mm |
| Outer Diameter |
17 - 108 mm |
Mainly applied in manufacturing low-vapor-pressure superheating steam tube, boiling water tube, big and small fire tube and arch tube of low and medium pressure boiler, locomotive boiler, ordinary industrial boiler and commercial boiler. ODWallThicknessUnit(mm)22.533.544.555.567.0-8.09.0-10.011.0-12.0Φ17-Φ18√√√√Φ19√√√√√Φ20-Φ21√√√√√√Φ22√√√√√√Φ25√√√√√√Φ27-Φ28√√√√√√Φ32√√√√√√√Φ38√√√√√√√Φ42-Φ45√√√√√√√Φ48-Φ51√√√√√√√Φ57√√√√√√√Φ60-Φ73√√√√√√√Φ76-Φ89√√√√√√√Φ102√√√√√√√Φ108√√√√√√√