Seamless Carbon Steel Pipe

GB3087 - Seamless Steel Pipe for Low and Medium Pressure Boiler
GB5310 - Seamless Steel Pipe for High PRessure Boiler
GB/T8162 - Seamless Pipe for Structural
GB/T8163 - Seamless Pipe for Fluid
ASME SA106 - Seamless Carbon Steel Pipe for high-temperature
ASTM A106 - Seamless Carbon Steel Pipe for high-temperature service

10, 20, 20G, SA106B, SA106C, A106B, A106C

Carbon Steel Pipes for Pressure Service
Carbon Steel Pipes for High Pressure Service
Alloy Steel Boiler and Heat Exchange Tubes
Stainless Steel Tubes and Pipes
Steel Pipes for Low Temperature Service
Line Pipe
Gas Cylinder Pipe/Tube
Structural Pipe

Seamless Ferritic Alloy-Steel Pipe
GB5310 - Seamless Steel Pipe for High Pressure Boiler
GB6479 - High Pressure Seamless Pipe for Chemical Fertilizer Equipment
GB9948 - Seamless Steel Tube for Petroleum cracking Tube
ASTM A213 - Seamless Ferrtic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchange
ASTM A335 - Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
JIS G3458 - Alloy Steel Pipes(STPA 12/20/22/23/24/25/26)
JIS G3462 - Alloy Steel for Boiler and Heat Exchanger Tubes(STBA 12/13/20/22)
JIS G3467 - Steel Tubes for Fired Heater(STF 410/STFA 12/22/23/24/25/26)
Din17175-79 - Electriccal Resistance or Induction Welding Steel Tubes for Elevated Temperature

Cr5Mo (STFA25 STPA25 STBA25 T4 P5)
15CrMo (STFA22 STPA22 STBA22 T12 P12)
1.25Cr0.5Mo (STFA23 STPA23 STBA23 T11 P11)
Cr9Mo (STFA26 STPA26 STBA26 T9 P9)
12Cr2Mo (10CrMo910 T22 P22)
10Cr9Mo 1VNb T91 (P91)
12Cr2MoWVTIB (R102)