product name

-main material

-standard

-uses

Structural Pipe

10,20,35,45,Q235

16Mn Q345B

GB/T8162-2008

--for the general structure

Fluid Pipe

20,Q345

GB/T8163-2008

Fluid transport

Precision Tube

St35 St37.4(10#) St45(20#)St55(35#) Ck45(45#) St52(16Mn) CH8Ni9Ti 35Cro

GB/T3639-2000

DIN2391

For the automotive, motorcycle, engineering machinery, jack, electrical tools and sporting equipment and other areas

High Pressure Boiler Tube

20G,A106c ST45.8/3

GB5310-95 ASTMA106-99 DIN17175-79

Heat-resistant high-pressure boiler seamless steel pipe

Hydraulic prop tube

27SiMn

GB5310-2008

hydraulic pressure stand

hydraulic prop

alloy-steel pipe

12Cr1MoV P22(10CrMo910) T91,P91,P9,T9

WB36,Cr5Mo(P5,STFA25,T5,) 15CrMo(P11,P12,STFA22) 13CrMo44,Cr5Mo,15CrMo,25CrMo,

30CrMo,40CrMo

DIN17175-79 JISG3467-88 JISG3458-88

GB5310-95 GB9948-88 ASTMA335/A335m ASTMA213/A213m

high-temperature resistant,

Low temperature-resistant, corrosion-resistant Seamless pipe for Petroleum, chemical, electric power,

Boiler industry

Casing pipe

J55 N80, P110

API SPEC 5CT

-- oil pipe for oil well, Coupling Cylinder

Low and medium pressure boiler tube

10,20

GB3087-1999

- for  Low and Medium Pressure Boiler

-boiling tube,-motorcycle -smoke tube

Oil cracking tube

20 12CrMo 15CrMo

GB9948-88

-

furnace tube for Refined petroleum refining plant

-heat-exchanger tube

- Pipeline seamless pipe

high-pressure seamless pipe for chemical fertilizer equipment

20,16Mn,Q345

GB6479-2000

Fertilizer Equipment

-pipeline

Marine tube

410

GB/T5312-1999

specificial  pressure pipe for vessel manufacturing

- tube for boilers and overheating

line pipe

5L GR.B, X52,X60

API

-for petroleum,natural gas, industrial dilivery(gas,water,oil)

Rectangular Tube

Q195,Q235,Q345,20#

GB/T6278-2002

Structure, decoration, construction

  ductile iron pipe

-iron

GB/T13295-2003 ISO2531/2003

- Public works, mining, textile, electric power, boilers, drinking water, machinery, military industry

-square pipe

Q195,Q235,Q345,20#

GB/T6278-2002

Structure, decoration, construction