Home > Duplex Steel > Duplex Steel S31803 Sheet and Plates
At Russ Nickel Alloys, a premier manufacturer and distributor based in Manila, Philippines, we specialize in providing top-grade Duplex Steel S31803 sheets and plates. Renowned for their exceptional strength, corrosion resistance, and durability, our Duplex Steel products are designed to meet the rigorous demands of industries such as construction, marine, and chemical processing. With a commitment to quality and customer satisfaction, we ensure that our sheets and plates adhere to the highest standards, making them ideal for a wide range of applications. Trust Russ Nickel Alloys for reliable, high-performance Duplex Steel solutions tailored to your needs.
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, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc
Hardness : Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
| 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 |
The Duplex Steel Welding Electrodes from Russ Nickel Alloys are made from a carefully balanced blend of austenitic and ferritic stainless steels, featuring key elements like chromium (21-23%), nickel (8-10%), molybdenum (2.5-3.5%), and nitrogen. This unique composition provides outstanding corrosion resistance, particularly against pitting and stress corrosion cracking. On the mechanical side, these electrodes boast high tensile strength (typically exceeding 750 MPa), impressive yield strength, and excellent impact toughness, even in colder conditions. Thanks to their duplex microstructure, they offer enhanced durability and wear resistance, making them perfect for challenging welding tasks in tough environments.
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You’ll find Duplex Steel Welding Electrodes from Russ Nickel Alloys being utilized across industries that demand remarkable strength and corrosion resistance. They’re commonly used for fabricating and repairing pressure vessels, heat exchangers, storage tanks, pipelines, and offshore platforms. These electrodes shine in harsh settings like chemical processing plants, marine industries, desalination facilities, and oil refineries. Their ability to withstand chloride-induced stress corrosion cracking makes them particularly well-suited for coastal and underwater welding projects. With Russ Nickel Alloys’ electrodes, you can count on long-lasting performance and reliability, ensuring your projects stand the test of time.
