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At Hazlewood Fasteners, we are a leading manufacturer and supplier of Copper Nickel Washers in Canberra, Australia, known for delivering durability and performance in demanding environments. These washers are crafted from a premium copper-nickel alloy that offers superior resistance to corrosion, seawater damage, and biofouling. Designed to ensure secure load distribution and leak prevention, Copper Nickel Washers perform exceptionally well in marine, chemical, and industrial systems. With their excellent mechanical strength and long-lasting stability, they are a reliable choice for applications where exposure to saltwater, high temperature, and pressure is unavoidable.
Copper Nickel Washers are made from an alloy consisting of 70% copper and 30% nickel, with small additions of iron and manganese to enhance their strength and corrosion resistance. This composition provides outstanding protection against stress corrosion cracking, oxidation, and erosion in seawater and acidic environments. With a tensile strength of around 380 MPa and yield strength of approximately 130 MPa, these washers maintain excellent ductility and dimensional stability. Their thermal conductivity and resistance to scaling make them ideal for high-performance industrial and marine applications.
| 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 |
| 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 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Copper Nickel Washers are extensively used in shipbuilding, offshore drilling, heat exchangers, desalination systems, and marine piping networks. Their anti-corrosive and non-fouling properties make them perfect for valves, pumps, and flange assemblies exposed to saltwater and humidity. They are also used in chemical processing plants, power generation, and cooling systems, where resistance to acidic or alkaline solutions is essential. Hazlewood Fasteners’ Copper Nickel Washers provide consistent performance, excellent sealing ability, and long-term reliability — making them the preferred choice for engineers who demand precision and endurance in challenging marine and industrial environments.
Copper Nickel washers at Hazlewood Fasteners are packed carefully to retain the quality of the product that we provide. To ensure that each washer is not damaged or corroded, or contaminated in any way during transport, they are packed separately and covered with protective materials. We employ the use of hard-wearing cartons and ensure that we meet your packaging requirements as desired. Proper labeling and packing helps in easy identification and handling of products, which is a testimony to our promise of quality products in good condition.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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