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Xuan Nickel Alloys is your go-to manufacturer and supplier of Duplex Steel Screws right here in Da Nang, Vietnam. We pride ourselves on providing top-notch fastening solutions for critical industrial applications. Our Duplex Steel Screws are crafted to offer outstanding strength, exceptional corrosion resistance, and long-lasting durability, even in the toughest environments. Built to meet international standards, these screws come in a variety of types and sizes, ensuring precision, reliability, and secure fastening. We serve a range of industries, including oil and gas, petrochemical, marine, construction, power generation, and chemical processing, all with our high-quality Duplex Steel Screws.
These screws are made up of 22–25% chromium, 4–7% nickel, 3–4% molybdenum, and nitrogen, which together create a balanced ferritic-austenitic structure. This unique composition gives them excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, they boast high tensile and yield strength, good hardness, fatigue resistance, and impressive impact toughness. When you combine these properties with their weldability and precise dimensions, Duplex Steel Screws become a reliable choice for fastening in demanding and corrosive environments.
| Standard | : | ASTM A193, A194 / SA193 / SA194 |
| Dimension | : | ASTM, DIN, BS, GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Bolts Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Screw Size | : | M02 to M33 | Custom Sizes |
| Heat Treatment | : | Annealing, Stress Relieving, Case Hardening, Quenching and Tempering. |
| Type | : | Hex Bolt/ Hex Screw, Square Head Bolt, U Bolt, Carriage Bolt, Eye Bolt, T Bolt/ J Bolt/ L bolt, Flange Bolt, Coach Screw etc. |
At Xuan Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel Screws in Da Nang, Vietnam, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Vietnam, 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.
You’ll find Duplex Steel Screws widely used in industries that need strong and corrosion-resistant fasteners. In the oil and gas sector, they’re essential for offshore platforms, subsea pipelines, and refining equipment. The chemical and petrochemical industries rely on them for reactors, process piping, and heat exchangers. In marine applications, they’re used in desalination plants, shipbuilding, and seawater handling systems. They also play a crucial role in power plants, construction, and heavy engineering, providing secure fastening in high-stress conditions. With their durability, reliability, and resistance to harsh environments, Duplex Steel Screws are perfect for critical applications across various industries.
