Home > Duplex Steel > Duplex Steel S31803 Stud Bolts
At Russ Nickel Alloys, a premier manufacturer and distributor based in Manila, Philippines, we specialize in high-quality Duplex Steel S31803 stud bolts. Renowned for their superior corrosion resistance and exceptional strength, our Duplex Steel S31803 stud bolts are designed to meet the rigorous demands of various industrial applications. Leveraging advanced technology and stringent quality control, we ensure each product adheres to the highest standards. Our commitment to excellence and customer satisfaction makes us a trusted choice for reliable and durable fastening solutions. Discover how our stud bolts can enhance your projects with unmatched performance and reliability.
| Grade | Duplex Steel UNS S31803 / S31803 |
| Specifications | ASTM A 479 ASME SA 479 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| S31803 | C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 – 3.5 | 22.0 – 23.0 | 0.03 | 4.5 – 6.5 | 0.14 – 0.2 | Bal |
| S31803 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 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 play a vital role in industries that demand excellent resistance to oxidation, carburization, and corrosion, especially 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.
