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Fajar Nickel Alloys stands out as a trusted manufacturer and supplier of top-notch Super Duplex Steel Fasteners, proudly based in Jakarta, Indonesia. Our fasteners are crafted for remarkable strength and corrosion resistance, making them perfect for critical applications in marine, offshore, petrochemical, and chemical processing sectors. We use high-quality Super Duplex grades like UNS S32750 and S32760, ensuring our products meet international standards such as ASTM, ASME, and DIN. From bolts and nuts to washers, studs, and custom hardware, Fajar Nickel Alloys guarantees exceptional quality, precise tolerances, and long-lasting performance even in the toughest environments.
| 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 Fajar Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Fasteners in Jakarta, Indonesia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Indonesia, 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 extensive use in offshore oil and gas platforms, desalination plants, chemical processing units, and marine construction, where high mechanical strength and corrosion resistance are essential. They are particularly suited for flanged joints, pipeline assemblies, pressure vessels, and subsea systems that face saltwater or aggressive media. In the power generation sector, they play a crucial role in supporting connections in turbines and high-pressure boilers. Additionally, these fasteners are utilized in pulp and paper industries, showcasing their versatility and reliability in various applications.
