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Fajar Metals stands out as a top-notch manufacturer and supplier of high-performance metal products right from Jakarta, Indonesia. They specialize in providing premium-grade Duplex Steel S31803 Coils to a diverse array of industries. With a strong focus on quality, precision, and innovation, Fajar Metals crafts solutions that can handle extreme environments and tough applications. By leveraging cutting-edge technology and adhering to international manufacturing standards, the company delivers duplex steel coils that are renowned for their strength, durability, and exceptional corrosion resistance. Catering to sectors like oil & gas, marine, petrochemical, and construction, Fajar Metals guarantees reliable supply, competitive pricing, and customer satisfaction both in Indonesia and across global markets.
Standard ASTM A240 / ASME SA240
Range 5mm To 150mm
Width 1000mm / 1219mm /1250mm / 1500mm / 2000mm
Length 2000 mm / 2440 mm / 2500 mm / 3000 mm / 6000 mm.
Surface Finishing Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
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 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
At Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Coils 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 Coils find their place in applications that require exceptional strength, corrosion resistance, and long-lasting performance. In the oil and gas sector, they are utilized in pressure vessels, heat exchangers, pipelines, and subsea equipment. Chemical processing plants rely on them to endure highly corrosive conditions. The marine industry also benefits from these coils, using them in structural components that face saltwater exposure, including ship hulls and offshore platforms.
