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 |