Home > Duplex Steel > Duplex Steel S31803 Sheet and Plates
Fajar Metals, a leading manufacturer and supplier based in Jakarta, Indonesia, specializes in high-performance Duplex Steel S31803 Sheets and Plates. These products are perfect for tough applications that demand both strength and resistance to corrosion. Thanks to their unique dual-phase microstructure, they offer impressive mechanical strength and exceptional protection against chloride-induced corrosion. Built to withstand aggressive environments, these sheets and plates find their place in various industries, including oil and gas, chemical processing, marine, and power generation. Fajar Metals provides these products in a range of thicknesses and dimensions, all while adhering to international quality standards to ensure top-notch performance under high pressure and temperature.
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 Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex S31803 Sheets and Plates in Jakarta, Indonesia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Indonesia, 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.
