Gas Pipeline Sch40/Sch80 High Pressure Boiler Tube 321 304 316 Seamless Steel Pipe

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Product Description

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Basic Information

Model NO.
654
Technique
Cold Rolled
Material
Stainless Steel
Surface Treatment
Polished
Section Shape
Round
Length
6m or as Required
Standard
GB, ASTM, AISI, JIS, DIN, EN, GOST
Grade
300 Series, Duplex and Super Duplex Steel
Origin
Zhejiang
i

Product Description

Our facility operates more than 30 professional stainless steel production lines, capable of manufacturing seamless steel pipes with specifications ranging from 6~630x0.5~50mm.

Primary Steel Grades Available:

  • Austenitic Stainless Steel: 304/304L/304H, 316/316L, 321/H, 347H, 317/317L, 310S
  • Duplex Stainless Steel: 1805/S31500, S31803/S322, etc.
  • Super Duplex Steel: S32750/S32760
  • Alloy Steel Pipe: N08028, 600, 825, 800H, etc.

All products are manufactured in strict accordance with international standards including GB, HG, SH, ASTM/ASME, JIS, DIN, and EN.

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Product Parameters

Item Stainless Steel Seamless Tube/Pipe
Standard ASTM A213, A312, A269, A511, A790, A789; DIN 17456, 17458; JIS G3459, G3463; GOST9941; EN10216, EN10305; BS3605; GB/T 14975, 14976
Material 300 Series: 304, 304L, 304H, 316, 316L, 321, 310S, etc.
Duplex: S31803, S32205, S32750, S32760
Surface Polishing, Annealing, Pickling, Bright
Shape/Type Round Pipe / Cold Rolled
Application Heat Exchanger, Petro-chemical, Oil & Gas, Power Plant, Ship building, Pharmaceutical
Dimensions OD: 12.7mm~630mm | WT: 1mm~50mm | Length: 6m or Customized
Package Standard export seaworthy package (Plastic Wrapping, Bundling, Wooden Case)
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Frequently Asked Questions

What materials are available for your seamless pipes?
We offer a wide range of materials including Austenitic stainless steel (300 series like 304, 316L, 321), Duplex steel (S31803, S32205), Super Duplex steel (S32750), and various alloy steels (600, 825, 800H).
Which international standards do your products follow?
Our products are manufactured according to global standards such as ASTM/ASME (A213, A312, A269), DIN (17456, 17458), JIS (G3459), EN (10216), and GB.
What are the size specifications for these tubes?
We can produce seamless tubes with an outer diameter (OD) from 12.7mm to 630mm and wall thickness (WT) from 1mm to 50mm. The standard length is 6m, but customization is available.
What industries typically use your seamless steel pipes?
Our pipes are widely used in chemical and petrochemical industries, onshore and offshore oil and gas transport, power plants, shipbuilding, heat exchangers, and pharmaceutical applications.
What surface treatments can be provided?
We provide several surface finishing options including polished, bright annealed, and pickled finishes to meet different industry requirements.
How are the pipes packaged for export?
All products are packed using standard seaworthy packaging methods, which include plastic wrapping, bundling, or secure wooden cases to ensure safe delivery.

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