Complaint
| Descriptions | Grades | Standard | Specification(OD*WT)mm | Usage |
| Structural steel pipe | 20# 35# 45# Q345B16Mn,Q345B-E.20Mn2,25Mn,30Mn2,40Mn2,45Mn2.SAE1018. SAE1020,SAE1518 SAE1045 | GB/T8162-2008 | 6-1020*1.5-100 | For commom structure |
| Fluid steel pipe | 10#,20# ASTM A106,A210, A53,16Mn Q345A.B.C.D.E, Q295B.C.D.E | GB/T8163-2008 | 8-630*1.0-40 | Fluid feeding |
| High pressure boiler pipe | 20G,15MnG.20MnG,15CrMoG,12Cr1MoVG,St35.8. St45,SA106b SA106c.SA210a SA210c.A335P2. P11,P12,P22,P91, P92, A213 T2,T9 T11, T12,T22,T23 T91 | GB/5310-2008 ASTM A 106-99.DIN 17175- 79 | 14-630*2-80 | Temperature- resistant seamless steel pipe far high-pressure boiler |
| Oil casing pipe | API SPEC 5CT J55 K55,N80,L80,C90 C95,P110 | API SPEC5CT.SY/T6194-96,GB/T222- 84, | 10-530*1.5- 36 | Boiler pipes for refinery,heatexchangeing pipes,seamless steel pipes for pipeline |
| Pipeline | API SPEC 5L, X42, X52,X60 X65.X70.X80 ASTM A53, ASTM A106,ASTM A333, BS301,BS3602, BS3603,BS3604 PSL1.PSL2.DNV- OS-F101.CSA-Z245 | API SPEC 5L. ISO 3183,GB/T 9711 | 60-630*1.5- 40 | Carrying gas,water or oil in the industries of petroleum and natural gas |
| Alloy steel pipe | 4140,42CrMo,32CrMo,15CrMo Cr5Mo,13CrMo4412Cr1MoV P22 T91,P91,P9,T9, Wb36 | GB5310-95 GB9948-88, ASTM A335/A335M, ASTM A213/213M, DIN17175-79 JISG3467-88 JISG3458-88 | 16-824*2-100 | The seamless steal pipes features resistance to high presure.high/low temperature and corrosion ano is used in the industries of petroleum, chemical engine ering and. Electric pwer as well as boiler |
| Hydraulic prop pipe | 20#, 45#, 27SiMn, 30CrMoSiA | GB/T17396- 2009 | 70-377*9-40 | Coal mine hydraulic support and pillar cylinder, column. can also be used for other hydraulic cylinder, column |
