Specifications

Large diameter stainless steel pipes for API lining pipes
Quality anti-corrosion
Cold drawn,cold rolled
mirror polishing

Large diameter stainless steel pipes for API lining pipes

 

Annealing Requirements:

Lengths: All sizes from NPS1/8 to NPS 8 will be a length up to 24ft (7315MM, 7.315meter)

Size: NPS 1/8” TO 30”

Outer Diameter: 0.405inch to 30inch ( 10.29mm to 762mm)

Thickness: SCH 5S (1.65mm to 6.35mm); SCH 10S (1.24mm to 7.92mm); SCH 40S (1.73mm to 9.52mm); SCH 80S (2.41mm to 12.70mm)

Both ends can be threaded comform to ANSI B1.20.1 (NPT threads)

 

Other stainless steel pipes/tubes conform to the below standards can be supply:

ASTM A213, ASTM A249, ASTM A264, ASTM A270, ASTM A358, ASTM A511, ASTM A554, ASTM A789;

EN 10217, EN10216-2, GOST9941,

JIS G3468, JIS G3446, JIS G3459, JIS G3448

Applications: The products are widely used in fertilizer, petroleum, central-station, manufacture of electric fumance tube, power station, shipping millitary, chemical industry, environmental protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on 

 

Descriptions

Standards	ASTM A312/A312M-01a
Materials	Austenitic Stainless steel
Material Grades	TP304H, TP309H, TP309HCb, TP310H, TP310HCb,TP316H,TP321H,TP347H,TP348H
Thickness Grades	SCH 50S, 10S, 40S, 80S
Producing Technology	cold rolled, cold drawn, straight-seam welded
Length Scope	up to 7.315meters (24foot),can be requested
Surface Finishing	natural color, common polishing, mirror polished
Applications	for high-temperature and general service
Usages	fluids, such as oil, natural gas, hot or cold water pipes;steam
Ends Type	Both ends can be threaded,beveled or requested

Packing: Each in a PVC bag, Bundle with knitted plastic bag, wooden case or according the customer's request

Main Producing Process for seamless pipes, welding-seam stainless steel pipes

Advantaged Producing Equipments to ensure the high quality products, with precision size,dimensions

Inspections Equipments for Non-destructive Test

Metal Specifications for stainless steeal pipes conform to ASTM A312/A312M; available size and annealing requirements as belows:

 

 

  

 

Metal Specification or Grades as below:

Available Sizes or dimensions:

Production processes for seamless steel pipes

 

 

 

The main production processes for austenitic stainless steel pipes/tubes(seamless or ERW technical)

Heat treatment conform the belows

 

 

Advantaged equipment to ensure the high quality goods

 

 

Generally packing styles

 

 

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