Home > Duplex Steel > Duplex Steel S31803 Stud Bolts
At Nasir Nickel Alloys in Manama, Bahrain, Duplex Steel S31803 Bolts are developed to offer exceptional strength, corrosion resistance, and long-term performance in demanding industrial environments. This duplex-grade alloy provides a balanced combination of austenitic and ferritic structures, ensuring superior mechanical strength and excellent resistance to stress corrosion cracking. These bolts perform reliably in applications exposed to chlorides, seawater, and fluctuating pressure conditions. Duplex Steel S31803 Bolts are crafted to provide secure fastening even in harsh environments, making them a trusted choice for operations where durability, safety, and consistent performance are essential.
At Nasir Nickel Alloys in Manama, Bahrain, Duplex Steel S31803 Bolts are developed to offer exceptional strength, corrosion resistance, and long-term performance in demanding industrial environments. This duplex-grade alloy provides a balanced combination of austenitic and ferritic structures, ensuring superior mechanical strength and excellent resistance to stress corrosion cracking. These bolts perform reliably in applications exposed to chlorides, seawater, and fluctuating pressure conditions. Duplex Steel S31803 Bolts are crafted to provide secure fastening even in harsh environments, making them a trusted choice for operations where durability, safety, and consistent performance are essential.
| 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 % |
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Stud Bolts in Manama, Bahrain, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Bahrain, 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 Bolts are used extensively in environments where strength and corrosion resistance are critical. Offshore and marine industries rely on them for seawater handling systems, subsea structures, and platform assemblies. The oil and gas sector uses these bolts for pipelines, heat exchangers, pressure vessels, and drilling equipment due to their resistance to chloride stress corrosion. Chemical processing units utilize them in reactors, storage tanks, and acid-handling equipment. They also serve effectively in desalination plants, pulp and paper machinery, and power generation systems. Their robust performance ensures secure fastening in harsh, corrosive, and high-load environments.
