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Hakan Nickel Alloys, based in Istanbul, Turkey, is a reliable manufacturer and global supplier of corrosion-resistant stainless steel products, including Duplex Steel S31803 Coils. These coils are designed for strength, durability, and resistance to tough environments, making them perfect for both structural and process applications. With a variety of thicknesses, widths, and surface finishes available, Duplex Steel S31803 Coils from Hakan Nickel Alloys are crafted to meet international standards and cater to key industries like oil and gas, petrochemical, marine, construction, and desalination.
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 Hakan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Coils in Istanbul, Turkey, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Turkey, 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 a range of demanding applications where corrosion resistance and mechanical performance are essential. They are commonly used in heat exchangers, pressure vessels, storage tanks, seawater systems, structural components, and welded pipe fabrication. These coils are especially well-suited for aggressive environments like marine atmospheres, chemical processing units, and offshore facilities. Their impressive strength-to-weight ratio, reduced material thickness needs, and long service life make Duplex Steel S31803 Coils a smart and reliable choice for today’s industrial applications.
