Seamless steel pipes for petroleum and natural gas industries
API5CT oil casing: J/K55、N80、L80、R95、L80-1、L80-3Cr、L80-9Cr、L80-13Cr、C90、T95、C110、P110、Q125、V140、V150、80SS、95SS、110SS
API5L pipeline pipes: Gr B, X42, X52, X60, X65, X70, X80, X100 and acid and corrosion-resistant materials
API 5DP Petroleum Drill Pipe: E75, X95, G105, S135, 4145H
Pipe for petroleum machinery processing: 35 CrMo、42CrMo、4130、4130M、4140、4140M、K55-155ksi、75ksiL80/80ksi、85ksi、R95/T95-195ksi、C110/P110/110ksi、 Q125/125ksi
Perforation gun barrel: 110ksi, 115ksi, 130ksi, 140ksi
Pipe for engineering machinery processing
Pumping pipe/wear-resistant pipe: NM50, NM55
Vehicle specific pipes: 20Mn2, 25CrMnMo, 40Cr, 45Mn2, SAE1527
Ship pipes: 410 STPG370、STPG410
Geological drilling pipes: DZ40, DZ50, DZ55, G105, S135, STM-R780
Pipe for crane boom: Q345、Q390、Q420、Q460、Q500、Q550、Q620、Q690、20Mn2、27SiMn.BJ770、BJ890、D690、E690、HSM770、HSM890、S420、S460
Hydraulic cylinder pipes: 25Mn, 20MnTiB, 20MnV6, 27SiMn, 42CrMo4, 50MnVS, E355, E470
Hydraulic strut tube: 27SiMn, 30CrMo, 30CrMnSiA
Drill pipe for rotary excavator: 27SiMn, 35CrMo, HG550, HG850, SY550, SY850
European standard structural pipes: S355J0H, S355J2H, S355NH, S355NLH, S460NH, S460NLH, ST52.0
Japanese standard structural pipes: STK400, STK490, STK540
