Seamless steel pipe commonly used materials and seamless steel pipe standard

Seamless steel pipe commonly used materials and seamless steel pipe standard
1. Automobile tubes (Buick cars only) Small-diameter high-pressure boiler tubes are produced according to domestic and foreign standards or industry standards 210C, 15CrMoG, 12Cr1MoVG, T12 ~ T91 series steel tubes
2. Field line pipe for West-East Gas Pipeline Station GB/T9711.2 L245NB Φ1146, Φ895, etc.
3, submarine oil pipeline pipe API5L X52 PSL2 Φ8910, Φ114.311.1
4. Oilfield Pipe N80 Non-Quality-Reducing Pipe API 5CT Φ139.77.72 J55 Oil Pipe API 5CT Φ735.51
5, truss arm tube (integral quench tube) protocol standards, 20Mn2B, 20Mn2, Φ14615, etc., for lifting equipment with crawler cranes
6. Special-purpose cylinder and bracket tube T91, steel 102 series high-pressure boiler tube GB5310-1995, used in high-temperature and high-pressure environment of thermal power station
7. Tractor rear axle tube 35MnVN, rear axle of crawler tractor
8, ultra-high strength structural tubes 35CrMnsi, 30CrMnSiNi2A, for military, aircraft landing gear tube
9, axle tube 20Mn2, Φ17812, Φ12719, etc.
10, rock tunneling protocol standards J55, Φ266, Φ316, etc., for highway and large hydropower station dam reinforcement
11, hydraulic pillar pipe GB/T17396-1998, 27SiMn, used for coal mine machine operation support fixed, according to American standard boiler and superheater with carbon steel seamless steel pipe ASTM A210, 210C, Φ606
12. Automobile axle bushings YB/T5035-1996, 45Mn2\45
13, long heat exchanger tube 20, Φ19216000-21000, for heat exchangers
14. Fork rod seamless tube CR-1, Φ485, used for CR speeding crossbar for train speeding
15. Directional Spiral Special Shaped Seamless Pipe for Rocket Gunship Φ1232.2, MP16Mn, GJB459-88
16, seawater corrosion resistance tube Q/CG41, 10CrMoA1, Φ1084, Φ252.5
17, submersible motor shaft pipe protocol standard Φ3111, Φ3613.5, 40Cr, 35CrMo, 35CrMoV, for the motor shaft of the pump
18. Pipes for low-temperature pipelines GB/T18984-2003, 09DG, 10MnDG, 09Mn2VDG, B655, used in the petrochemical industry in the low-te