Industrial Stainless Steel Seamless Pipe SMLS Tube 6mm - 630mm OD ASTM A269 A312
The Industrial Stainless Steel Seamless Tube is manufactured through precision cold drawing or hot rolling processes, ensuring a uniform wall thickness, smooth internal and external surfaces, and zero weld defects. Designed for demanding industrial environments, this tube offers excellent corrosion resistance, high-temperature strength, and reliable mechanical performance. It is suitable for both fluid transport and structural applications.
| Parameter | Details |
|---|---|
| Standards | ASTM A269, A312, A213; EN 10216-5; GB/T 14976; JIS G3459 |
| Available Grades | 304, 304L, 316, 316L, 321, 310S, 347, Duplex 2205 |
| Outer Diameter | 6 mm – 630 mm |
| Wall Thickness | 0.5 mm – 30 mm |
| Length | Fixed lengths 3m / 6m, or custom lengths upon request |
| Manufacturing Process | Cold drawn / Cold rolled / Hot rolled / Pilgered |
| Surface Finish | Annealed, pickled, polished, bright annealed, or as required |
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-10.5 | – |
| 316 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
Composition for other grades available upon request or per applicable standards.
| Grade | Tensile Strength (MPa) min | Yield Strength (MPa) min | Elongation (%) min | Hardness (HB) max |
|---|---|---|---|---|
| 304 | 515 | 205 | 40 | 201 |
| 316 | 515 | 205 | 40 | 217 |
| 316L | 485 | 170 | 40 | 217 |
*Tested in accordance with ASTM E8 / E8M.*
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Chemical and petrochemical processing
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Oil and gas transmission lines
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Power generation and heat exchangers
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Food and beverage processing equipment
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Pharmaceutical and sanitary systems
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Automotive and heavy machinery components
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Structural and architectural supports
For inquiries, technical datasheets, or custom sizes, please contact our sales team.
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