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Located in Kolkata, India, Khush Sheets and Plates is a reputable manufacturer and supplier of Duplex Steel S31803 Coils and Slitting Coils, providing high-performance stainless steel solutions for crucial industrial applications. Our Duplex S31803 products are well known for their exceptional durability, strength, and resistance to corrosion in harsh environments. These coils, which are made with state-of-the-art machinery and premium materials, satisfy international industry standards for structural, chemical, and marine applications. Khush Sheets and Plates has established itself as a leading supplier of duplex stainless steel coils in both domestic and foreign markets thanks to its dedication to accuracy, quality assurance, and prompt delivery.
The composition of Duplex Steel S31803 Coils is 22% Chromium, 5–6.5% Nickel, and 3–3.5% Molybdenum, with the remaining elements being Iron, Manganese, and Nitrogen. The dual-phase microstructure of austenite and ferrite produced by this composition provides exceptional resistance to pitting, stress corrosion, and crevice corrosion. The coils have an approximate elongation of 25%, a yield strength of 450 MPa, and a tensile strength of 620 MPa. Duplex S31803 is perfect for demanding structural and corrosive environments because it combines high mechanical strength with exceptional weldability and toughness.
| Specifications | ASTM A240 / ASME SA240 |
| Dimensions | ASTM, ASME, and API |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Thickness | 4mm-100mm |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Surface Finish | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, hairline, sand blast, Brush, etching, Hot rolled coil (HR), Cold rolled coil (CR), SATIN (Met with Plastic Coated) etc |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Form | Coils, Foils, Rolls, Plain Coil, Shim Coil, Strip |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
| Grades | EN | UNS | ISO |
| S31803 | 1.4462 | S31803 | 4462-318-03-I |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Khush Sheets and Plates based in Kolkata, India, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
Stocked Sizes | |
|---|---|
Size (in inches) | Size (in mm) |
.125″ | 3.18mm |
.134″ | 3.40mm |
.156″ | 3.96mm |
.187″ | 4.75mm |
.250″ | 6.35mm |
.312″ | 7.92mm |
.375″ | 9.53mm |
.500″ | 12.7mm |
.625″ | 15.9mm |
.750″ | 19.1mm |
.875″ | 22.2mm |
1″ | 25.4mm |
1.125″ | 28.6mm |
1.250″ | 31.8mm |
1.500″ | 38.1mm |
1.750″ | 44.5mm |
2″ | 50.8mm |
2.500″ | 63.5mm |
3″ | 76.2mm |
Yes, we offer custom sizes for Duplex Steel S31803 Coil/Slitting Coil to meet specific project needs. Our team at Khush Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Slitting and Coiling of Duplex Steel S31803 Many industries that require high strength and corrosion resistance use coils. They are utilised for offshore platforms, pressure vessels, and pipelines in the oil and gas industry. They are used in storage tanks, heat exchangers, and reactors in the chemical and petrochemical industries. These coils are perfect for desalination plants, seawater cooling systems, and boat fittings in maritime applications. Because of their durability and hygienic qualities, they are also utilised in pulp and paper, food processing, and pharmaceutical equipment. They are perfect for high-performance, long-lasting applications because of their formability and resistance to corrosion.
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Kolkata, India
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