Stainless Steel Profile Pipe AISI 201
Stainless steel profile pipe AISI 201 is the optimal solution for structures where high mechanical strength at a minimum price is required. By replacing part of the expensive nickel with manganese and nitrogen, this steel grade is significantly cheaper than the 304 series, while being virtually equal in hardness and workability.
Chemical composition AISI 201:
According to ASTM A240 standard
| C | Cr | Mn | Ni | Si | N |
| 0.12% | 15% | 9-10% | 1% | 0.75% | 0.2% |
Technical advantages:
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Weldability: excellent (traditional arc and TIG welding).
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Weld strength: TIG seam is highly resistant to mechanical stress.
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Processing: polishes and grinds well to a high mirror finish.
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Economy: best price/quality ratio for interior design solutions.
Applications:
✅ Stairs and railings
✅ Window and door systems
✅ Automotive decor
✅ Ventilation ducts
✅ Furniture frames
✅ Decorative products
FAQ about AISI 201
The main difference is price and nickel content. AISI 201 contains only 1% nickel, replaced by manganese and nitrogen. This makes the pipe more affordable but slightly less resistant to highly aggressive chemical environments and prolonged outdoor moisture. For interiors and dry environments, 201 is an ideal, cost-effective choice.
Yes, AISI 201 stainless steel has excellent weldability. The best results are achieved using TIG welding (Tungsten Inert Gas). The resulting weld is strong, reliable, and can be easily polished to match the rest of the surface.
All AISI 201 products comply with the international ASTM A240 standards.
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