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Hashmi Sheets and Plates, based in Doha, Qatar, is a reliable manufacturer and supplier of premium stainless steel products for diverse industrial applications. Among its specialized offerings is Stainless Steel 321 Coil / Slitting Coil, known for its excellent resistance to high-temperature corrosion and oxidation. Manufactured under strict quality standards and supplied with precise dimensional accuracy, these coils are ideal for demanding environments. Serving industries such as petrochemical, aerospace, power generation, and fabrication, Hashmi ensures consistent quality and dependable supply. Customers trust Hashmi Sheets and Plates for stainless steel solutions that deliver durability, stability, and long-term performance in critical operating conditions.
Stainless Steel 321 Coil / Slitting Coil is an austenitic stainless steel stabilized with titanium to prevent carbide precipitation during high-temperature exposure. Its composition includes chromium and nickel for corrosion resistance, with titanium enhancing thermal stability. The steel offers good tensile strength, excellent ductility, and outstanding toughness, even at elevated temperatures. It maintains mechanical strength and oxidation resistance up to approximately 870°C. Stainless Steel 321 also provides excellent weldability and formability, making it suitable for fabrication processes that require thermal resistance and consistent mechanical performance.
| Specifications | ASTM A240, ASME SA240 |
| Standard | JIS, ASTM, AISI, GB, EN, DIN |
| Surface | 2B, BA, HL, No. 4, Mirror etc. |
| Finish | Cold rolled, Hot rolled |
| Thickness | 0.3mm–100mm |
| Size | 1000mm, 1219mm, 1250mm, 1500mm, 1524mm, 2000mm |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50 mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 321 | 515 | 205 | 40 | 95 | 217 |
| 321H | 515 | 205 | 40 | 95 | 217 |
| 347 | 515 | 205 | 40 | 92 | 201 |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 321 Coils and Slitting Coils offer exceptional resistance to high temperatures and oxidation, making them ideal for use in heat exchangers, aerospace components, and chemical processing industries. The addition of titanium stabilizes the alloy, preventing carbide precipitation and ensuring excellent weldability. These coils also provide strong resistance to intergranular corrosion, pitting, and crevice corrosion. With high tensile and yield strength, they maintain structural integrity under extreme conditions. Their durability, combined with excellent formability and resistance to scaling, makes them a reliable choice for demanding industrial applications.
Yes, we offer custom sizes for Stainless Steel 321 Coils to meet specific project needs. Our team at Hashmi Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Stainless Steel 321 Coils and Slitting Coils are widely used in industries where high-temperature and corrosion resistance are essential. They are commonly found in aerospace, chemical processing, and power generation applications, including heat exchangers, furnace parts, and exhaust systems. These coils are also ideal for use in marine environments, automotive exhaust systems, and welded equipment exposed to high temperatures. Their excellent resistance to intergranular corrosion makes them suitable for applications in food processing, pharmaceuticals, and industries where welding is required in high-heat conditions.
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