Home > Super Duplex Steel > Super Duplex Steel Fasteners S32750
Tanvir Nickel Alloys is a leading manufacturer of Super Duplex Steel Fasteners S32750 in Cairo, Egypt. 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 Tanvir 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 Cairo 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 |
The Super Duplex Steel S32750 fasteners from Tanvir Nickel Alloys feature a well-balanced dual-phase microstructure of austenite and ferrite, which translates to outstanding mechanical properties and corrosion resistance. Their chemical makeup includes about 25% chromium, 7% nickel, 4% molybdenum, and nitrogen, providing excellent protection against pitting, crevice corrosion, and stress corrosion cracking. These fasteners exhibit high tensile strength (up to 800 MPa) along with impressive fatigue and impact resistance, making them perfect for high-pressure and high-temperature settings. They are manufactured in accordance with global standards like ASTM, ASME, and DIN, ensuring they are both compatible and reliable.
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Tanvir Nickel Alloys’ Super Duplex Steel S32750 fasteners are widely utilized in situations that demand strong, corrosion-resistant connections. In the **oil and gas industry**, they are vital for subsea equipment, pipelines, and offshore platforms. The **marine sector** employs them in shipbuilding and seawater handling systems. **Chemical processing plants** depend on them for reactors, tanks, and structural joints that face corrosive media. They also play a crucial role in **desalination plants**, **power generation**, and **heavy infrastructure**, where high mechanical strength is a must.
