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At Hazlewood Fasteners, we are proud to be a trusted manufacturer and supplier of premium-quality Copper Nickel Nuts in Canberra, Australia. Designed for superior resistance to corrosion and seawater damage, these nuts are widely used in marine, offshore, and industrial environments. Their excellent combination of strength, ductility, and thermal stability makes them ideal for applications that demand reliability under harsh conditions. Copper Nickel Nuts ensure a secure and long-lasting grip, even in high-salinity or corrosive atmospheres. Every nut we produce is crafted with precision to deliver consistent performance and durability across various critical engineering applications.
Copper Nickel Nuts are primarily composed of copper (70%) and nickel (30%), with small additions of iron and manganese to improve strength and corrosion resistance. This alloy exhibits excellent resistance to biofouling, stress corrosion cracking, and seawater-induced erosion. With a tensile strength of around 380 MPa and yield strength near 130 MPa, these nuts maintain remarkable toughness and stability under both high temperature and pressure. The alloy’s excellent thermal conductivity and anti-corrosive properties make it a dependable choice for marine and chemical processing 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 |
|
Material |
Specification |
Standards |
Size |
|
Cupro Nickel
|
ASTM
|
ASTM B151, B152 |
M10 to M100
|
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 Nuts are widely used in marine engineering, shipbuilding, offshore platforms, desalination systems, and heat exchangers, where exposure to seawater and high humidity is constant. They are also used in chemical plants, power generation units, and condensers that require reliable performance in corrosive and saline environments. These nuts provide secure fastening for flanges, valves, and pipelines in both onshore and offshore systems. Hazlewood Fasteners’ Copper Nickel Nuts are trusted for their exceptional corrosion resistance, strength, and long service life — making them a top choice for industries that operate in the toughest marine and industrial conditions.
Copper Nickel nuts at Hazlewood Fasteners are packed in order to retain the quality of the product and we take utmost care while packing. Every nut is covered separately to avoid getting damaged, corroded or contaminated in the course of transportation. We employ strong cartons and ensure that we provide packaging services that meet your requirements. This is through proper labeling and packing to ensure that the products are well arranged and can easily be identified, and this is our way of ensuring that we provide 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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