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High-performance, heat-resistant stainless steel solutions for commercial and industrial applications are offered by Khush Sheets and Plates, a reputable manufacturer and supplier of stainless steel 309S foils in Kolkata, India. Stainless Steel 309S is well-known for its exceptional resistance to oxidation and low carbon content, making it perfect for high-temperature applications and thermal cycling-prone environments. To satisfy international standards, our 309S foils are manufactured with accuracy and quality control. Throughout India and abroad, Khush Sheets and Plates provides services to sectors like chemical processing, power generation, and furnace manufacturing with an emphasis on dependability, corrosion resistance, and longevity.
The low carbon content (<0.08%) and roughly 23% chromium and 13% nickel in stainless steel 309S foils enhance weldability and lessen carbide precipitation. Iron, silicon, and manganese are additional elements. With a tensile strength of about 515 MPa, yield strength of 205 MPa, and elongation of about 40%, this alloy exhibits exceptional resistance to oxidation at temperatures as high as 1000°C. While retaining good ductility, toughness, and corrosion resistance in both oxidising and reducing conditions, the low carbon version of 309 improves performance in high-temperature environments.
| Specification | ASTM B 906/ASME SB 906, ASME Code Cases 1827 and N-253, SAE/AMS 5540, BS 3072NA14 and 3073NA14, DIN 17750, ISO 6208, EN 10095, MIL-DTL-23228. |
|---|---|
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard |
| standards and approvals |
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| Plasma profiles | As per customer’s drawings |
| Value added services | Laser cutting, Waterjet cutting, Plasma cutting, Bending and mechanical processing, edge preparation, welding, sawing and shearing. |
| VAS |
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| Origin | Indian Origin, European Origin, Japanese Origin |
| Packing | Bundles with waterproof cloth outside or plywood box |
| Test | UT, SGS testing, TUV etc |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| ELEMENT | SS 309S |
| NI | 12.0 – 15.0 |
| C | 0.08 max |
| MN | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| SI | 1.0 max |
| CR | 22.0 – 24.0 |
| MO | 0.75 max |
| Condition & Grade | Tensile Strength | Yeild Strength | Elognation | Hardness |
|---|---|---|---|---|
| SS 309S | 75 (515) | 30 (205) | 35 | 90 HRB max |
| Standard | Werkstoff Nr. | UNS |
| SS 309S | 1.4833 | S30908 |
Applications requiring resistance to oxidation and high temperatures employ stainless steel 309S foils. They are frequently used in boiler parts, heat exchanger tubes, furnace linings, and thermal insulation barriers. They are used in combustion chambers, catalytic converters, and refinery equipment in the petrochemical, chemical, and power generation sectors. They are perfect for kiln components, waste treatment facilities, and incinerators due to their exceptional resistance to sulfidation and scaling. Furthermore, because of their formability and weldability, they can be used in flexible expansion joints, gaskets, and cladding—applications where strong, thin, and heat-resistant materials are crucial.
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Kolkata, India
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