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Santner Nickel Alloys stands out as a top-notch manufacturer and supplier of high-quality Copper Nickel Washers right in Hamilton, New Zealand. They cater to industries that demand outstanding corrosion resistance and long-lasting reliability. Renowned for their exceptional performance in marine, offshore, and industrial settings, these washers are made using cutting-edge production methods and rigorous quality standards. Santner’s Copper Nickel Washers boast impressive resistance to seawater, brine, and biofouling, making them perfect for critical fastening tasks. With a strong focus on precision, durability, and timely delivery, the company proudly serves a variety of sectors with trusted, high-performance Cu-Ni fastening solutions.
Copper Nickel Washers usually come in either Cu-Ni 90/10 or 70/30 alloy compositions, blending copper with nickel and a touch of iron and manganese. These added elements boost corrosion resistance, mechanical strength, and help fend off pitting and erosion in seawater. The washers showcase good tensile strength, excellent ductility, and consistent mechanical performance across different temperatures. They also resist stress corrosion cracking and biofouling, making them perfect for tough applications. Their blend of toughness, durability, and corrosion resistance guarantees reliable and long-lasting fastening performance.
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2” to 12″ |
| Standards | ASTM, ASME Washer, ANSI Washer, DIN Washer, EN Washer, BS Washer etc |
| Grade | Copper & Copper Nickel Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
| Copper Nickel | Ni | Pb | Cu | Fe | Mn | Zn |
| 9-11 max | 0.05 max | 88.6 min | 1.8 max | 1.0 max | 1 max |
| Density | Elongation | Yield Strength (0.2%Offset) | Melting Point | Tensile Strength |
| 8.1 g/cm3 | 30 % | Psi – 35,000, MPa – 241 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel 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.
Copper Nickel Washers find their place in marine engineering due to their remarkable resistance to seawater corrosion and biofouling. They’re commonly used in shipbuilding, desalination plants, offshore platforms, seawater cooling systems, and heat exchanger assemblies. These washers are ideal for fasteners in pumps, valves, piping systems, and condenser units where long-term stability is crucial. In industrial settings, they play a vital role in chemical processing plants, HVAC systems, and instrumentation.
