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Nasir Nickel Alloys is a reliable manufacturer and supplier of Super Duplex Steel Fasteners S32750 based in Manama, Bahrain. We specialize in providing high-quality fastening solutions that are designed to withstand tough industrial conditions. Our S32750 fasteners are celebrated for their remarkable strength, outstanding corrosion resistance, and long-lasting performance in harsh environments. Crafted with precision, they excel in resisting pitting, crevice corrosion, and stress cracking caused by chlorides. With a strong focus on reliability, prompt delivery, and strict compliance with international standards, Nasir Nickel Alloys delivers durable, high-performance S32750 fasteners that are widely utilized in marine, petrochemical, offshore, and desalination sectors.
Super Duplex Steel S32750 fasteners boast a well-balanced composition of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), nitrogen, and trace elements that boost corrosion resistance. Their duplex microstructure ensures excellent mechanical strength, featuring high tensile and yield strength, superior hardness, and impressive impact toughness, even in low temperatures. These fasteners are highly resistant to chloride environments, pitting, and crevice corrosion. Their mechanical properties make them perfect for applications that demand high durability, stress resistance, and reliable performance under extreme pressure or corrosive conditions.
| 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 |
At Nasir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Fasteners S32750 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.
Super Duplex Steel Fasteners S32750 are widely utilized in industries that face tough operating conditions, thanks to their impressive strength and resistance to corrosion. They’re perfect for offshore platforms, desalination plants, chemical processing facilities, heat exchangers, and marine engineering systems. These fasteners ensure dependable performance in pumps, valves, pressure vessels, pipelines, and structural assemblies that deal with chloride-rich or corrosive environments. Their unique blend of strength and resistance to fatigue, erosion, and stress cracking makes them a top choice in petroleum refining, oil and gas extraction, shipbuilding, and various heavy-duty industrial applications.