Standards:ASTM,ASME,API 5L/5CT
Steel grades:A53,A106,A519,SA192,A179.
Gr.B,X42,X46,X56,X65,X70,X80 and more.
Outer diameter:20mm to 219.1mm.
DN8 to DN200
Pressure: Sch5s ,SCH10,SCH15,SCH40,STD,SCH100,SCH160,XXS.
Length:Random length, Fixed length
normally 0.5~12m.
Surface treatment:Galvanized or customized,3PE,Varnish coating for anti-rust.
Steel grades:A53,A106,A519,SA192,A179.
Gr.B,X42,X46,X56,X65,X70,X80 and more.
Outer diameter:20mm to 219.1mm.
DN8 to DN200
Pressure: Sch5s ,SCH10,SCH15,SCH40,STD,SCH100,SCH160,XXS.
Length:Random length, Fixed length
normally 0.5~12m.
Surface treatment:Galvanized or customized,3PE,Varnish coating for anti-rust.
Seamless steel pipe used
1. Construction are: pipeline under most more, ground water, hot water boiler used when building and so on.
2. Mechanical processing, bearing sleeve, processing machinery parts, etc.
3. The electrical class: gas pipeline, water electricity fluid.
4. Wind farms anti-static tube, etc.
The process :
Tube billet heating - inspection - skin - - - perforation, pickling, grinding, dry lubrication, welding head, cold drawing, solid solution treatment, pickling, pickling passivation - inspection - cold rolled - oil - cutting head - dry - polishing, polishing, inspection, identification, finished product packaging
