Product Specifications and Execution Standard
Categorg Material Standards Dimension range application
seamless steel pipe



10#、20#、35#、45#、16Mn 27SiMnGB8162-1999
GB8163-1999
GB3087-1999
GB5310-1995
ST45.8、Ⅲ
GB6479-1986
GB9948-1988
GB5312-1999∮6-824×2-100
Structural pipe20、35、45GB/T8162-1999∮6-610×1.5-40General structure application
Liquid pipe 20GB/T8163-1999∮8-610×1.5-40fluid transportation application
Low and medium pressure boiler pipe 20GB3087-1999∮10-426×2-40Low-medium pressure boiler of superheater tube, boiling water pipes, size of locomotive tobacco pipe
seamless steel pipe Gr5Mo(P5、STFA25、T5、)
15GrMo(P11、P12、STFA22)
13GrMo44
12Gr1MoV
P22(10GrMo910)
T91、P91、P9、T9
WB36 GB5310-1995
GB9948-1988
ASTMA335/A335m
ASTMA213/A213m
DIN17175-79
JISG3467-88
JISG3458-88 ∮16-824×2-100Petroleum, chemical, electric power, high temperature, low temperature resistant and corrosion-resistant seamless steel pipes in boiler industry.
Oil cracking tube20
12Gr1MoV
15GrMoGB9948-88∮10-530×1.5-60used for petroleum refining plant of furnace tubes, heat exchange tubes, seamless pipe furnace tubes, heat exchange tubes, seamless pipe
High Pressure Boiler Tube20G、SA106c
ST45.8/3 GB5310-95
ASTMA106-99
DIN17175-79∮16-824×2-65Heat-resistant high-pressure boiler seamless steel pipe
16Mn seamless steel pipe 16MnGB8162∮22-630×2-30　
Hydraulic prop tube27SiMnGB/T17396-1998∮70-377×12-40Hydraulic bracket
chemical fertilizer equipment tube 20、16Mn、Q345GB6479-2000∮25-426×6-40Fertilizer equipment, pipeline