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Material

Standards

Dimension range

application

seamless steel pipe



 

10#、20#、35#、45#、16Mn 27SiMn

GB8162-1999
GB8163-1999
GB3087-1999
GB5310-1995
ST45.8、Ⅲ
GB6479-1986
GB9948-1988
GB5312-1999

∮6-824×2-100

Structural pipe

20、35、45

GB/T8162-1999

∮6-610×1.5-40

General structure application

Liquid pipe

20

GB/T8163-1999

∮8-610×1.5-40

fluid transportation application

Low and medium pressure boiler pipe

20

GB3087-1999

∮10-426×2-40

Low-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

∮16-824×2-100

Petroleum, chemical, electric power, high temperature, low temperature resistant and corrosion-resistant seamless steel pipes in boiler industry.

Oil cracking tube

20
12Gr1MoV
15GrMo

GB9948-88

∮10-530×1.5-60

used for petroleum refining plant of furnace tubes, heat exchange tubes, seamless pipe furnace tubes, heat exchange tubes, seamless pipe

High Pressure Boiler Tube

20G、SA106c
ST45.8/3

GB5310-95
ASTMA106-99
DIN17175-79

∮16-824×2-65

Heat-resistant high-pressure boiler seamless steel pipe

16Mn seamless steel pipe

16Mn

GB8162

∮22-630×2-30

Hydraulic prop tube

27SiMn

GB/T17396-1998

∮70-377×12-40

Hydraulic bracket

chemical fertilizer equipment tube

20、16Mn、Q345

GB6479-2000

∮25-426×6-40

Fertilizer equipment, pipeline