Home > Duplex Steel > Duplex Steel S31803 Coils
Russ Nickel Alloys, the leading manufacturer and distributor in Manila, Philippines, offers top-grade Duplex Steel S31803 Coils known for their exceptional strength and corrosion resistance. Our coils are designed to withstand the harshest environments, making them ideal for a wide range of industrial applications, including oil and gas, petrochemical, and marine industries. As a trusted supplier, we ensure that every coil meets international quality standards, providing reliable performance and longevity. Choose Russ Nickel Alloys for unparalleled expertise and a commitment to delivering the highest quality Duplex Steel S31803 Coils in the region.
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 % |
The AWS Class ERNiCrCoMo-1 MIG and TIG Filler Welding Wire and Rod are primarily made of nickel (Ni), with notable amounts of chromium (Cr) at 20–23%, cobalt (Co) at 10–15%, and molybdenum (Mo) at 8–10%. This well-thought-out composition provides exceptional mechanical strength, with typical tensile strength hitting 760 MPa (110 ksi) and an elongation of about 30%. Designed for outstanding high-temperature stability, corrosion resistance, and weldability, this alloy is perfect for tough environments. Its performance ensures structural integrity even under extreme thermal conditions, offering a long service life in critical industrial applications.
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These AWS Class ERNiCrCoMo-1 MIG and TIG Filler Welding Wire and Rod are commonly used for welding nickel-based alloys like Alloy 617 and other high-temperature materials. They are vital in industries that demand excellent resistance to oxidation, carburization, and corrosion, particularly at temperatures above 1000°C. Typical applications include gas turbines, heat exchangers, furnace components, reformer tubes, and pressure vessels in power plants, petrochemical facilities, and aerospace settings. Their remarkable metallurgical properties and reliability under intense stress make them a preferred choice for both fabrication and repair.
