Carbon Steel Pipes

Carbon Seamless Steel Pipe
1.Seamless steel pipe for general use:ASTM A 53 GR.B
　Steel Grade: SA53B
Specication: 2"-28",60.3-711.2mm
2.Seamless steel pipe for high temperature:ASTM A 106 GR.B
　Steel Grade: SA106B
Specication: 2"-28",60.3-711.2mm
3.Pipeline: API SPEC 5L.5CT
　Steel Grade: B,X42,X46,X52
Specification: 2"-28",60.3-711.2mm
4.Seamless steel pipe for low temperature of -40C-101C,ASTM A333
　Steel Grade: GR.A,GR.1,GR.7,GR.3
Specication: 2"-28",60.3-711.2mm
5.Seamless steel pipe DIN2448/1629,DIN17175-1979,German standard
　Steel Grade: st37,st42,st52,st35.8-st45.8/1
Specication 2"-28",60.3-711.2mm;

Carbon Welded Steel Pipe
1.American standard,ERW high frequency welded pipe ASTM A106 A53
　Specification: 4"-24" 114.3-609.6mm.
2.British standard, ERW high frequency welded pipe BS 1387
　Specification: 4"-24" 114.3-609.6mm.

1.Carbon Steel Pipe For Mechanical Structure Purpose

Standard: JIS G3445

Main Steel Tube Grade:

STKM11A、STKM12(A,B,C)、STKM13(A,B,C)、STKM14(A,B,C)

Application:

It is used for machinery, automobile, bicycle, furniture and components for other machines.

2.Carbon Steel Pipe For Pressure Pipeline, High Pressure application and High Temperature Application

Standard: JIS G3454, JIS G3455, JIS G3456

Main Steel Tube Grade: STPG370 STS370 STPT370

Application:

①JIS G3454: It is used as Carbon Steel Pipe for Pressure Pipeline in the condition under 350℃ temperature.

②JIS G3455: It is used as Carbon Steel Pipe for the Pipeline which in the temperature less than 350℃and high working pressure.

③JIS G3456: It is used as Carbon Steel Pipeline in the condition that over 350℃.

3.High Temperature Seamless Carbon Steel Nominal Pipe

Standard: ASTM A106

Main Steel Tube Grade: A106 A , A106 B,A106C

Application:

It is used for the machining for bending ,border-coiling and similar shape-forming.

4.High Pressure Seamless Carbon Steel Boiler Tube

Standard: ASTM A192

Main Steel Tube Grade: A192

(Other grade can also be provided after consulting with customs.)

Application: It is used for high pressure min. Wall thickness seamless carbon steel boiler and Superheater tube.

5.Seamless medium-Carbon Steel Boiler and Superheater tube

Standard: ASTM A210

Main Steel Tube Grade: A210A1, A210C

(Other grade can also be provided after consulting with customs.)

Application:

It is used for boiler and boiler flue tubes.Including safe end, vault and supporting tube,

and superheater min wall thickness seamless medium-Carbon Steel Boiler tube.