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Hassan Sheets and Plates is a well-respected manufacturer and supplier of Stainless Steel 321 Coil and Slitting Coil based in Riyadh, Saudi Arabia. We pride ourselves on delivering top-notch stainless steel products that are specifically designed to withstand high temperatures and corrosive environments. Stainless Steel 321 is a titanium-stabilized austenitic grade known for its remarkable resistance to intergranular corrosion and oxidation, even at elevated temperatures. It retains impressive mechanical strength and toughness, even when exposed to heat for extended periods. Our 321 coils are crafted with precision and undergo strict quality control, making them a popular choice in industries like aerospace, chemical, petrochemical, and thermal processing. This ensures they provide long-lasting performance, reliability, and meet international standards.
The composition of Stainless Steel 321 Coil / Slitting Coil includes iron, chromium (17–19%), nickel (9–12%), and titanium, which helps prevent carbide precipitation during welding and high-temperature exposure. This material boasts excellent tensile strength, yield strength, and creep resistance, making it dependable in high-heat environments. 321 maintains its ductility, toughness, and mechanical stability at temperatures reaching up to 870°C. Additionally, it offers good weldability and formability, making it ideal for complex fabrication tasks. With its outstanding resistance to scaling and stress rupture, Stainless Steel 321 coils are built to endure even the most demanding industrial conditions.
| 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 Coil and Slitting Coil are popular choices in the aerospace sector, where they’re used for exhaust manifolds, components of jet engines, and high-temperature fasteners. In the chemical and petrochemical industries, you’ll find them in heat exchangers, reactor vessels, and piping systems that face corrosive conditions. The automotive industry also makes good use of these materials in exhaust systems and thermal shields. Additionally, power generation plants rely on 321 coils for boiler casings, steam piping, and superheater tubes. Thanks to their titanium-stabilized structure, they offer excellent resistance to thermal stress and oxidation, making them a dependable option for industries that need long-lasting performance in high-temperature environments.
Yes, we offer custom sizes for Stainless Steel 321 Coils to meet specific project needs. Our team at Hassan 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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Riyadh, Saudi Arabia
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