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Santner Nickel Alloys, a prominent manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality **Super Duplex Steel Washers** tailored for demanding industrial applications. Renowned for their exceptional corrosion resistance, impressive strength, and long-lasting durability, these washers are crafted using cutting-edge manufacturing techniques and rigorous quality control measures. Santner Nickel Alloys serves industries that require reliable, high-performance components capable of enduring harsh chemical, marine, and offshore conditions. With a strong focus on precision, technical know-how, and timely delivery, the company guarantees that its Super Duplex Steel Washers provide consistent performance, outstanding mechanical integrity, and reliable service for critical bolted connections.
Super Duplex Steel Washers boast a unique duplex microstructure that blends austenitic and ferritic phases, featuring a precisely controlled mix of chromium, molybdenum, nickel, nitrogen, and iron. This specific composition ensures remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these washers deliver exceptionally high tensile and yield strength, along with excellent toughness and stability across a broad temperature range. Their outstanding fatigue resistance, hardness, and durability make them ideal for challenging chemical, marine, and offshore environments. These washers maintain their structural integrity and mechanical reliability even under high stress and demanding operational conditions.
| 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″ |
| 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 % |
| Material | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| Super Duplex Steel | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
| Super Duplex Steel | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Super Duplex Steel Washers 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 Washers find extensive use in industries that require corrosion-resistant, high-strength, and durable fasteners. In marine and offshore settings, they are essential for bolted connections that face exposure to seawater, chlorides, and other harsh environments.
