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Varun Sheets and Plates is a well-respected manufacturer and supplier of Stainless Steel 321 Coil/Slitting Coil based in Dubai, UAE. They pride themselves on providing clients with top-notch stainless steel products that are known for their durability, resistance to corrosion, and ability to perform well under high temperatures. Stainless Steel 321 is a titanium-stabilized austenitic alloy specifically designed to resist intergranular corrosion, especially after welding or when exposed to high heat. Varun’s SS 321 coils are highly valued in various industries, including aerospace, thermal processing, and chemical manufacturing. With their precise slitting capabilities, dependable sourcing, and a strong commitment to customer satisfaction, Varun delivers solutions that are performance-driven and tailored to meet the demanding needs of industrial and structural applications.
The Stainless Steel 321 Coil/Slitting Coil is composed of 17–19% chromium, 9–12% nickel, and titanium content that is at least five times the carbon percentage to prevent carbide precipitation. This alloy boasts impressive mechanical strength, with a tensile strength ranging from 515–750 MPa and a yield strength of about 205 MPa. It maintains its strength and toughness even at elevated temperatures and is non-magnetic when in the annealed state. The titanium stabilization not only enhances weldability but also ensures long-term structural stability in applications exposed to heat, making SS 321 perfect for continuous service environments above 427°C and intermittent use up to 870°C.
| 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 Varun Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
You’ll find Stainless Steel 321 Coil/Slitting Coil used in a variety of applications, from aerospace components and thermal insulation to furnace parts, heat exchangers, and chemical process equipment. Its resistance to intergranular corrosion and oxidation makes it an excellent choice for welded pressure vessels, expansion joints, exhaust manifolds, and refinery components. Additionally, SS 321 is utilized in the food processing and pharmaceutical industries, where hygienic and heat-resistant materials are crucial. Its stability during welding and high-temperature operations makes it ideal for steam piping, jet engine parts, and boiler tubes, ensuring long-term reliability even in harsh environments.
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Dubai, UAE
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