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Santner Nickel Alloys is a trusted manufacturer and supplier in Hamilton, New Zealand, offering premium-quality Super Duplex Steel Fasteners for a wide range of industrial applications. Known for their exceptional strength and corrosion resistance, these fasteners are designed to perform reliably in harsh and demanding environments. Santner Nickel Alloys focuses on precision engineering, high-grade raw materials, and strict quality control to ensure long-lasting performance and consistent durability. Serving industries such as marine, chemical processing, oil and gas, and construction, the company has earned a strong reputation for delivering dependable fastening solutions that meet global standards and exceed customer expectations.
| 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 Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Fasteners in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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 are used in high-stress and corrosive environments. They are essential in the oil and gas industry for subsea equipment, pipelines, and pressure vessels. In the marine sector, they are employed for mooring systems, hulls, and marine hardware due to their seawater resistance. Chemical processing facilities use them for reactors, heat exchangers, and pumps. Additionally, they are utilized in desalination plants and structural components where high strength and corrosion resistance are crucial.
