Type: Alloy steel Pipe: Diameter: 15~1200mm; Thickness: 1~200mm; Length: Max25meters 
The pipes are widely used in the fields of petroleum, electric power, boilers, chemical, ship building, geology exploration, mechanic and etc. 
ASTM/ASME 
A213 T5, T9, T11, T12, T22, T91 
A333 GRADE 1&6 
A335 GRADE P5, P9, P11, P12, P22, P91 
DIN 
DIN17175 ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910 
DIN2448/1629/1630, ST37, ST37.4, ST44. ST44.4, ST52, ST52.4 
EN 
EN10216-1 P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2 
EN10216-2, 16MO3, 10CrMo5-5, 13CrMo4-5, 10CrMo9-10 
EN10216-3, P275NL1/NL2, P355NL1/NL2, 
EN10216-4, P215NL1, P255QL, P265NL 
High Alloy steel grade: T1, T2, T5, T9, T11, T12, T22, T91