Stainless steel Seamless steel Pipe & Tube

Stainless Steel Seamless Pipe & Tube


  • • Outer Diameter: Φ4-Φ1219mm (Minimum – Maximum)
  • • Wall Thickness: 0.5-100mm (Minimum – Maximum)
  • • Length: 24000mm (Maximum)
  • • *Customized size needs to be confirmed with us


  • Home appliances, electric appliances, construction materials, medical equipment, auto parts, petroleum, chemical application, agricultural irrigation, edible oil refinery factories, paper plants, shipyard, nuclear power plant etc.


  • • American Standard: ASTM A312, ASME SA269, ASTM A269, ASME SA213, ASTM A213, ASTM A511, ASTM A789, ASTM A790
  • • Germany Standard: DIN2462.1-1981, DIN17456-85, DIN17458-85
  • • Japanese Standard: JIS G3463-2006, JIS G3459-2012
  • • Russian Standard: GOST 9941-81
  • • GB Standard: GB14975, GB14976, GB95, GB13296, GB5310, GB9948, GB/T12771


  • Anti-corrosion (the degree is susceptible to the alloys contained), heat-resistance, good cold and hot working properties, good toughness, good comprehensive performances and wide application.

Formula: m = (OD – THK) × THK (mm) × L (m) × 0.02491
* For 316, 316L, 310S, 309S, etc., ratio=0.02507
OD = Outer diameter, THK = Wall Thickness, L = Length

Specification table

NPS DesignatorTolerance, % from Nominal
⅛ to 2½ incl., all t/D ratios20.012.5
3 to 18 incl., t/D up to 5% incl.22.512.5
3 to 18 incl., t/D > 5%15.012.5
20 and larger, welded, all t/D ratios17.512.5
20 and larger, seamless, t/D up to 5% incl.22.512.5
20 and larger, seamless, t/D > 5%15.012.5

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As a professional stainless steel manufacturer and supplier in China, our mission is to offer the best stainless steel solutions and products in such a cost-effective way that each transaction concluded will take us closer to world civilization. As a metalwork company, we believe materials play a significant role in acceleration of human civilization. Each time new materials are developed, great inventions and disruptions takes place.

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Frequently Asked Questions

What is the standard length?

Our standard length of SS seamless pipe & tube is 5.8m or 6 meter for most overseas orders. We can also make the length as long as 12 or 13 meters for your reference.

Do you also have SS pipe fittings?

Yes, we have, like elbows, flanges, reducers, etc. For detailed information, please kindly refer to our product.

Can I have the tubes/pipes cut into the length I want?

Yes, we can cut pipes into the length you want, but this can incur extra cost. In case of order, please also indicate the cutting method you prefer. We have laser cutting, plasma cutting and water-jet cutting for your options.

Can you process SS seamless pipes & tubes into polished finish?

Yes, for stainless steel seamless pipe & tube, polished finish is also available, like simple rough polishing. For precise polishing, we can polish the pipes & tubes to # 240 and # 320 as per your demand. Stainless steel sanitary seamless tube is such an example. By default, SS seamless pipe & tube features pickled finish as many of our photos illustrate.

Where's your main market?

South America, South-East Asia, Middle-East, Europe and so on.

What's your package for SS seamless pipe & tube?

By default, our package is thick woven plastic bag, but we also provide wooden case or dedicated package as per your requirement. You can also refer to our pictures for better understanding.