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Santner Nickel Alloys is a reliable manufacturer and supplier of high-quality Super Duplex Steel Bolts S32750 in Hamilton, New Zealand. Known for delivering fastening solutions that offer exceptional strength, corrosion resistance, and long-term durability, the company supports a wide range of demanding industrial applications. Their S32750 bolts are engineered with precision and produced using advanced technology to ensure consistent performance in high-pressure and corrosive environments. With a strong commitment to quality, timely service, and customer satisfaction, Santner Nickel Alloys has earned the trust of industries seeking robust and dependable fastening components for modern engineering needs.
Super Duplex Steel Bolts S32750 are manufactured from a carefully balanced alloy containing chromium, nickel, molybdenum, and nitrogen, offering exceptional resistance to pitting, crevice corrosion, and chloride stress corrosion cracking. Their dual-phase austenitic-ferritic structure enhances mechanical strength, toughness, and thermal stability, even under extreme conditions. These bolts provide high tensile strength, excellent impact resistance, and reliable hardness, making them ideal for environments exposed to seawater, chemicals, and high pressure. Their strong mechanical properties ensure long-term reliability in both static and dynamic load applications.
| Standard | DIN, ASTM, BS and all International Standards |
| Specifications | ASTM A479 & ASME SA479 |
| UNS S32760 Nut and Bolts Size | M3 To M56 3/6″ to 2″ |
| Length | 3 to 200 MM |
| Super Duplex Steel 2207 Machine Screws Size | M1.6 To M12 |
| Duplex Steel 2205 Washers Size | M3 To M56 3/6″ to 2″ |
| Grade | C | Cr | Mn | Mo | N | Ni | P | S | Si | Cu |
| Super Duplex Steel Bolts S32750 | 0.04 max | 24.0-27.0 | 1.5 max | 0.1-0.25 | 4.5-6.5 | 6.0-8.0 | 0.040 max | 0.030 max | 1.0 max | 1.5 |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) | |
| Super Duplex Steel Bolts S32750 | 760 | 550 | 15 | 32 Max |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Bolts S32750 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 Bolts S32750 are widely used in industries that require fasteners capable of withstanding harsh, corrosive, and high-pressure environments. They are commonly applied in offshore platforms, subsea pipelines, desalination plants, and chemical processing facilities due to their excellent resistance to chloride-rich conditions. These bolts are also used in heat exchangers, pressure vessels, marine engineering systems, and oil and gas processing units. Their durability and high strength make them suitable for heavy-duty machinery, structural assemblies, and high-stress industrial operations. Overall, they provide safe, reliable, and long-lasting fastening performance across demanding engineering applications.
