Home > Duplex Steel > Duplex Steel Stud Bolts
At Nasir Nickel Alloys in Manama, Bahrain, Duplex Steel Stud Bolts are designed to offer exceptional performance in environments where strength, corrosion resistance, and reliability are essential. With a balanced mix of austenitic and ferritic microstructures, these stud bolts provide superior mechanical strength and impressive resistance to stress corrosion cracking, especially in chloride-rich environments. Their durability under fluctuating pressures and temperatures makes them suitable for demanding industrial operations. Duplex Steel Stud Bolts ensure secure and long-lasting fastening, delivering dependable performance for applications where structural integrity and operational safety are top priorities.
Duplex Steel Stud Bolts are composed of chromium, nickel, molybdenum, nitrogen, and iron, creating a microstructure that enhances both strength and corrosion resistance. This alloy provides high tensile and yield strength, as well as excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Nitrogen improves mechanical stability, while molybdenum and chromium contribute to superior performance in aggressive environments. Duplex Steel Stud Bolts maintain their toughness under elevated temperatures, high pressures, and dynamic loads, ensuring reliable mechanical integrity in a wide range of industrial applications.
| Grade | Duplex Steel UNS S31803 / S32205 |
| 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 |
| Duplex Steel Stud Bolts | 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 |
| Duplex Steel Stud Bolts | 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 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 Stud Bolts are widely used in industries that require strong, corrosion-resistant fastening solutions. Offshore and marine applications depend on them for seawater systems, platform structures, and subsea components. In the oil and gas sector, they are used for pipelines, heat exchangers, pressure vessels, and wellhead assemblies due to their resistance to chloride stress corrosion. Chemical processing plants utilize them in reactors, storage tanks, and acid-handling equipment. They are also essential in desalination units, pulp and paper machinery, and energy generation systems. Their durability and strength make them ideal for harsh and high-load operational environments.
