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With its headquarters in Kolkata, India, Khush Sheets and Plates is a reputable manufacturer and supplier of Duplex Steel S31803 Foils, providing high-strength, corrosion-resistant alloy products to a range of industrial sectors. Our Duplex S31803 Foils are designed to function well in demanding conditions and provide exceptional mechanical strength, stress resistance, and corrosion resistance. These foils are perfect for demanding applications because they are made with premium raw materials and cutting-edge processing methods, meeting international standards. For structural and speciality foil needs in India and international markets, Khush Sheets and Plates is a dependable partner with a solid reputation for quality, accuracy, and prompt delivery.
In addition to iron, manganese, and nitrogen, the composition of Duplex Steel S31803 Foils is 22% chromium, 5–6.5% nickel, and 3% molybdenum. With its well-balanced austenitic-ferritic microstructure, this alloy provides exceptional resistance to pitting, stress corrosion, cracking, and crevice corrosion. The foils usually have a yield strength of about 450 MPa, a tensile strength of 620–800 MPa, and an elongation of about 25%. Duplex S31803 foils are perfect for applications requiring corrosion resistance and structural integrity in a thin, flexible form because of their mechanical properties.
ASTM A240, ASME SA240
0.02mm – 5.0mm
3.2mm – 1500mm
NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA.
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex S31803 | 1.4462 | S31803 |
| 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 |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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.
Yes, we offer custom sizes for Duplex Steel S31803 Foil 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.
Industries that need materials that are thin, strong, and resistant to corrosion use Duplex Steel S31803 Foils. They are utilised in liners, gaskets, and seals that are subjected to harsh chemicals in the petrochemical and chemical industries. Because of their high chloride resistance, the marine industry uses them in ship components, heat exchangers, and seawater systems. They are used in cladding and instrumentation tubing in oil and gas. Duplex Foils are also used in pulp and paper mills, power plants, and desalination plants for high-temperature and corrosive conditions. They are perfect for sophisticated industrial engineering applications because of their strength and flexibility.
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Kolkata, India
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