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Ashraf Nickel Alloys stands out as a reliable manufacturer and supplier of Super Duplex Steel Fasteners in Riyadh, Saudi Arabia. We pride ourselves on delivering top-notch fastening solutions that are designed for strength, corrosion resistance, and durability, especially in tough environments. Our products, which include bolts, nuts, screws, washers, studs, and threaded rods in grades S32750 and S32760, are crafted according to ASTM, ASME, and DIN standards. With a unique dual-phase microstructure, these fasteners offer remarkable tensile strength, pitting resistance, and fatigue performance, making them perfect for offshore platforms, marine applications, and high-pressure chemical plants. Super Duplex fasteners ensure a long service life and exceptional performance, even in chloride-rich and high-stress industrial settings.
| 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 % |
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| UNS S32750 | 550 min. | 795 min. | 15 min. | 310 max. |
| UNS S32760 | 550 min. | 750 min. | 25 min. | 270 max. |
At Ashraf Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Fasteners in Riyadh, Saudi Arabia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Saudi Arabia, 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 find their place in a variety of applications, including offshore drilling rigs, subsea equipment, desalination plants, shipbuilding, chemical processing, power generation, and the paper and pulp industries, as well as structural engineering. Their exceptional corrosion resistance in chloride-rich environments makes them essential for marine and coastal projects. These fasteners are also well-suited for oil and gas pipelines, pressure vessels, and high-stress mechanical systems.
