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In Houston, USA, Nial Sheets and Plates is a well-known producer and supplier of Duplex Steel S31803 Foil, providing premium foil solutions for high-performance applications. Nitrogen-enhanced duplex stainless steel, Duplex S31803, provides a great blend of workability, corrosion resistance, and strength. To satisfy industry-specific needs, we offer precision-rolled foils in a range of thicknesses and custom sizes. Our goal at Nial Sheets and Plates is to provide high-strength, corrosion-resistant materials that are completely compliant with international quality standards and are suited for industries like chemical processing, marine engineering, and oil and gas.
About 21–23% chromium, 4.5–6.5% nickel, 2.5–3.5% molybdenum, and a small amount of nitrogen (0.08–0.20%) are present in Duplex Steel S31803. Excellent resistance to pitting, stress corrosion cracking, and crevice corrosion is provided by this alloy. It offers a yield strength that is almost twice as high as that of austenitic stainless steels and a high tensile strength of up to 620 MPa. Excellent fatigue strength and good weldability are provided by the ferritic-austenitic microstructure. Duplex S31803 foils are appropriate for high-stress, corrosive environments where strength and accuracy are crucial because they retain their toughness at both high and sub-zero temperatures.
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.
Nial Sheets and Plates based in Houston, USA, 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.
Duplex Steel S31803 foil offers numerous advantages, including excellent corrosion resistance, especially in chloride-rich environments. It provides superior strength and durability due to its dual-phase microstructure, which combines ferrite and austenite. This enhances resistance to stress corrosion cracking, pitting, and crevice corrosion. The material also boasts high tensile strength, making it suitable for demanding applications. It is cost-effective compared to more expensive alloys while maintaining high performance. Furthermore, Duplex Steel S31803 foil offers good weldability and formability, making it ideal for industries such as chemical processing, marine, and oil and gas.
Yes, we offer custom sizes for Duplex Steel S31803 Foil to meet specific project needs. Our team at Nial Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
Applications requiring exceptional strength, resistance to corrosion, and formability in thin formats frequently use Duplex Steel S31803 Foil. It is utilised for subsea components, heat exchanger linings, and flexible piping in the oil and gas sector. It is used in tanks, valves, and process equipment in the chemical and petrochemical industries that are exposed to environments that are acidic or chloride-rich. Its resistance to corrosion in saltwater is advantageous for marine applications in offshore structures and boat fittings. Additionally, S31803 foil is used in the production of precision parts for electronics, medical devices, and aerospace, where exact tolerances and durability are crucial.
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Houston, TX 77041
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