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Xuan Nickel Alloys is a leading manufacturer of Super Duplex Steel Fasteners S32750 in Da Nang, Vietnam. 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. At Xuan 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 Da Nang and beyond. Whether for subsea equipment, marine infrastructure, or chemical processing systems, our Super Duplex Steel Fastener S32750 offers unparalleled performance and longevity.
Xuan Nickel Alloys stands out as a top manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Super Duplex Steel Fasteners S32750 for essential industrial uses. These fasteners are celebrated for their remarkable strength, durability, and resistance to corrosion, making them reliable choices for tough and high-pressure settings. With a unique dual-phase microstructure that combines austenite and ferrite, S32750 fasteners excel in resisting pitting, crevice corrosion, and stress corrosion cracking caused by chlorides. At Xuan Nickel Alloys, we pride ourselves on delivering precision-engineered fasteners that adhere to international standards, catering to industries such as oil and gas, chemical, petrochemical, marine, desalination, and power generation.
| 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 |
The Super Duplex Steel Fasteners S32750 are made up of about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, which boosts both their mechanical strength and corrosion resistance. They boast impressive tensile strength ranging from 800 to 1000 MPa, with yield strength nearly twice that of standard austenitic stainless steels. Even in sub-zero temperatures, these fasteners maintain excellent toughness and ductility. Their advanced alloy composition ensures they resist chloride-induced stress corrosion cracking, localized corrosion, and erosion, making them a dependable choice for critical fastening needs.
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These Super Duplex Steel Fasteners S32750 are widely utilized in industries that demand safe and durable connections under extreme conditions. They’re commonly found in offshore platforms, subsea pipelines, and marine structures that face saline and corrosive environments. In the oil and gas sector, they’re essential for pressure vessels, process piping, and heat exchangers. Chemical and petrochemical facilities rely on them for managing aggressive fluids, while desalination and power generation plants appreciate their long service life. Additionally, these fasteners are integral to heavy-duty structural assemblies and critical engineering projects where utmost reliability and safety are paramount.
