Complaint
| STYLE | MATERIAL | STANDARD | APPLICATION | SIZE |
| ALLOY STEEL PIPE | 12Cr1MoV P22(10CrMo910) T91,P91,P9,T9,WB36 Cr5Mo(P11,P12,STFA2) 13CrMo44,Cr5Mo,15CrMo, | DIN17175-79 JISG3467-88 JISG3458-88 GB5310-95 GB9948-88 ASTMA335/A335M ASTMA213/A213M | Petroleum, Chemical, Electric power, boiler and other industries of high temperature and low temperature corrosion resistance | 16-824*2-100 |
| Oiled Casing tube | J55 N80 | API SPEC 5CT | Oil Well Tube, Coupling Pipe | 60-630*1.53-40 |
| High Pressure Boiler Tube | 20G, A106C,ST45.8/3 | GB531095 ASTMA106-99 DIN17175-79 | Heat resistant seamless tube for high pressure boiler tube | 16-824*2-65 |
| Low and Medium Pressure Boiler Tube | 10 #, 20# | GB3087-1999 | Low and medium pressure boiler, superheated pipe, boiling water pipe | 10-530*2-40 |
| Petroleum cracking tube | 20#,12CrMo,15CrMo | GB9948-88 | Seamless tubes for furnace tubes, heat exchanger tubes and pipes for petroleum refining plants | 10-530*1.5-36 |
| chemical fertilizer equipment | 20#,16Mn,Q345 | GB6479-2000 | chemical fertilizer equipment | 25-426*6-40 |
| Hydraulic prop tube | 27SiMn | GB/T17396-1998 | Hydraulic support | 70-377*9-40 |
| Marine Pipe | 410 | GB/T5312-1999 | Special pressure pipe for ship | 14-426*1.5-4.5 |
| Line Pipe | B | API | Oil,Gas | 60-630*1.53-40 |
| Fluid Pipe | 20#,Q345 | GB/T8163-1999 | Fluid, Water | 8-630*1.5-40 |
| Structural Tube | 10#,20#,35#,45#,16Mn,Q345B | GB/T8162-1999 | General structural use | 6-610*1.5-40 |
| Precision Tube | St35,St37.4(10#),St45(20#), St55(35#),Ck45(45#),St52 (16Mn),CH8Ni9Ti,35Cr0 | GB/T3639-2000,DIN2391 | Used inautomobile, motorcycle, engineering machinery, Jack, electric tools, sports equipment | 4-89 |
