Siddhgiri Tubes is a leading manufacturer, supplier, stockist, and exporter of an extensive range of 321 Stainless Steel Coil/Strip and 321H Stainless Steel Coil/Strip that come in various forms, types, shapes, sizes, thicknesses, dimensions, and specifications. These SS 321/321H Coils/Strips are meticulously crafted to meet both Indian and international quality standards. 321 Stainless Steel Coil/Strip, a fundamental austenitic stainless steel, consists of 18% chromium and 8% nickel stabilized by titanium. The stabilized Stainless Steel 321 Coils/Strips exhibit exceptional resistance to intergranular corrosion and stress corrosion cracking. These SS 321 Strips/Coils are purposefully engineered for high strength and are ideal for use in elevated temperature industrial applications.
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Our 321H Stainless Steel Coil/Strip boasts a higher carbon content, providing enhanced strength and toughness. The incorporation of titanium and carbon in Stainless Steel 321H Coil/Strip significantly reduces susceptibility to intergranular corrosion. These SS 321/321H Strips/Coils are highly sought after across various industrial applications such as processing equipment, heat exchangers, furnace parts, aircraft exhaust manifolds, and more. Siddhgiri Tubes is a distinguished manufacturer, supplier, and exporter of premium quality Stainless Steel 321 Coils worldwide.
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Siddhgiri Tubes is a distinguished manufacturer, supplier, and exporter of premium quality Stainless Steel 321 Coils worldwide. Catering to diverse buyer requirements, we provide these top-quality coils in standard specifications available in various dimensions, surface types, sizes, pressure ratings, and standards. Our engineers adeptly tailor these superior 321 coils according to customer specifications regarding shape and size. The comprehensive range of Stainless Steel 321 Coils produced by Siddhgiri Tubes conforms to both national and international standards.
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Stainless Steel 321 is a titanium-stabilized austenitic alloy stainless steel renowned for its excellent general corrosion resistance. Stainless Steel 321 Coils exhibit exceptional oxidation resistance at specific atmospheric temperatures. These superior 321 coils are engineered to enhance the intergranular corrosion resistance of the 18-8 type alloys. Titanium stabilization, along with the addition of nickel and chromium, imparts excellent corrosion resistance and high strength to our Stainless Steel 321 Coils. Our coils boast numerous features including high tensile strength, ease of use, longevity, fine finishes, smoothness, rugged construction, good mechanical strength, rust-free performance, and more.
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Specification Chart of Stainless Steel 321/321H Strips & Coils
| Specifications | ASTM A240 / ASME SA240 |
|---|---|
| Thickness | 0.3mm to 200mm |
| Width |
200mm to 3000mm |
| Length | 500mm to 12000mm |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc. |
Chemical Composition Of Stainless Steel 321/321H Strips & Coils
| 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 |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
Mechanical Properties Of Stainless Steel 321/321H Strips & Coils
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |