Home > Duplex Steel > Duplex Steel S31803 Sheet and Plates
Elvis Nickel Alloys, a top-notch manufacturer and supplier located in Houston, USA, specializes in high-quality Duplex Steel S31803 Sheets and Plates. These products are designed to perform exceptionally well in highly corrosive and high-stress environments. Duplex S31803 (UNS S31803) is a nitrogen-enhanced duplex stainless steel that boasts a balanced austenitic-ferritic microstructure, merging the strength and corrosion resistance of both steel families. These sheets and plates are known for their remarkable resistance to chloride stress corrosion cracking, pitting, and crevice corrosion, particularly in marine and chemical processing settings. They meet global standards like ASTM A240 and come in a variety of thicknesses, finishes, and dimensions.
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 |
At Elvis Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex S31803 Sheets and Plates in Texas, USA, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the USA, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 sheets and plates are widely used in challenging environments due to their high strength and corrosion resistance. Common applications include construction and structural components, marine and offshore equipment, chemical processing plants, and oil and gas industries. They are ideal for pressure vessels, heat exchangers, and storage tanks, where durability and resistance to harsh conditions are critical. Their versatility makes them suitable for both industrial and architectural uses.
