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Marsh Nickel Alloys, based in Canberra, Australia, is a trusted manufacturer and supplier of high-quality metal fasteners and alloy components for industrial, marine, and engineering applications. Among their reliable products are Copper Nickel Washers, designed for durability, corrosion resistance, and consistent performance. Each washer is manufactured with precision to ensure uniform thickness, smooth surfaces, and accurate dimensions. Marsh Nickel Alloys’ Copper Nickel Washers are widely used in industries where long-lasting, corrosion-resistant fastening components are essential. Their quality and reliability make them a preferred choice for engineers and technicians in marine, chemical, and industrial environments.
Copper Nickel Washers are primarily made of copper with 10–30% nickel, sometimes including small amounts of iron and manganese to enhance strength and corrosion resistance. This composition gives the washers excellent mechanical strength, good ductility, and superior resistance to seawater and chemical corrosion. Washers maintain stability under high pressure and temperature, with typical tensile strength ranging from 300–500 MPa. Their smooth surface and precise dimensions ensure even load distribution and secure fastening. Copper Nickel Washers are durable, reliable, and ideal for high-stress applications in harsh industrial and marine environments.
| 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 Marsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel Washers in Canberra, Australia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Australia, 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 are widely used in marine and offshore industries, including shipbuilding, offshore platforms, and seawater piping systems, thanks to their excellent corrosion resistance. They are also essential in chemical plants, power plants, and desalination facilities for distributing load evenly and preventing loosening of bolts and screws. The washers are suitable for automotive, mechanical, and structural applications, where durability and rust resistance are critical. Copper Nickel Washers provide secure, long-lasting fastening in demanding environments. Their ability to withstand high stress, harsh conditions, and exposure to seawater ensures reliable performance and minimal maintenance.
