Home > Duplex Steel > Duplex Steel S31803 Stud Bolts
At Elvis Nickel Alloys, a premier manufacturer and distributor based in Texas, USA, 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 Duplex Steel S31803 Stud Bolts produced by Elvis Nickel Alloys are crafted with around 22% chromium, 5-6% nickel, 3% molybdenum, and nitrogen, providing outstanding resistance to pitting and crevice corrosion. These fasteners are designed to offer a perfect blend of high strength, good toughness, and excellent weldability. Their mechanical properties boast a tensile strength of roughly 620 MPa, a yield strength of about 450 MPa, and improved fatigue resistance. Thanks to their balanced austenitic-ferritic structure, these bolts deliver reliable performance even in the toughest environments, making them ideal for high-stress and corrosive applications.
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You’ll find Duplex Steel S31803 Stud Bolts from Elvis Nickel Alloys being utilized in a wide array of critical applications that require both strength and corrosion resistance. These stud bolts are perfect for offshore platforms, subsea piping, chemical processing plants, heat exchangers, pressure vessels, and desalination units. They excel in environments that are exposed to chlorides, seawater, and other harsh chemicals. Their capability to endure high pressures and temperatures makes them the go-to choice for fastening in the oil & gas, marine, power generation, and petrochemical industries, where secure and long-lasting connections are absolutely essential.
