Home > Super Duplex Steel > Super Duplex Steel Fasteners S32750
Marsh Nickel Alloys is a leading manufacturer of Super Duplex Steel Fasteners S32750 in Canberra, Australia. Our S32750 fasteners are designed for exceptional strength and high corrosion resistance, making them ideal for harsh environments. They provide outstanding performance in high-stress applications in the oil, gas, and marine chemical industries. AtMarsh Nickel Alloys, we are committed to providing high quality fasteners that meet stringent industry standards. Our advanced manufacturing processes ensure that each fastener delivers reliability and durability, positioning us as a trusted source for customers in Canberra and beyond. Whether for subsea equipment, marine infrastructure, or chemical processing systems, our Super Duplex Steel Fastener S32750 offers unparalleled performance and longevity.
| Specification | IS, BS, ASTM, ASME |
| Grade | Super Duplex Steel | UNS S32750 | S32760 |
| Standard | ASTM A479 ASME SA479 |
| Length | 3mm to 200mm |
| Form | Screw, Nuts, Bolts, Washers |
| Size | 3/6″ to 2″, M3 – M56, Custom Sizes |
| Application | Oil & Gas, Heat exchanger and condenser, Automobile Industry, Engineering, Power plants, Refineries & Petrochemicals, Ship building, Desalination Plants |
| Phosphorus | Sulphur | Silicon | Carbon | Manganese | Nickel | Molybdenum | Nitrogen | Copper | Chromium |
|---|---|---|---|---|---|---|---|---|---|
| 0.035 % max | 0.02 % max | 0.80 % max | 0.03% Max | 1.20 % max | 6.00 – 8.00 % | 3.00 – 5.00 % | 0.24 – 0.32 % | 0.50 % max | 24.0 – 26.0 % |
| Element | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750 | 7.8 | 0.281 | 1350 | 2460 |
These fasteners are made from a precisely balanced microstructure of austenite and ferrite, enhanced with chromium, molybdenum, nickel, and nitrogen. This unique composition gives them outstanding mechanical properties, such as high tensile and yield strength, toughness, and fatigue resistance. They also show excellent resistance to localized corrosion in environments rich in chlorides and harsh chemicals. Plus, they maintain their stability even under high pressure and temperature, boasting superior weldability and precise dimensions. Each fastener goes through thorough testing to ensure its metallurgical integrity, surface finish, and compliance with strict international standards.
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Super Duplex Steel Fasteners S32750 are widely utilized in industries that demand high-strength and corrosion-resistant components. In the oil and gas industry, you’ll find them in pipelines, valve assemblies, and offshore platforms that face seawater and harsh chemicals. In the chemical and petrochemical sectors, they’re perfect for connecting process equipment, reactors, and pressure vessels that handle aggressive fluids. Desalination plants, marine engineering projects, and power generation facilities also depend on these fasteners for their long-term reliability and performance. Their blend of exceptional strength and durability makes them a go-to choice for critical applications.
