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Hamad Fasteners, based in Riyadh, Saudi Arabia, is your go-to source for reliable industrial fasteners designed to withstand the toughest corrosive and marine environments. Our Copper Nickel Nuts are crafted for exceptional durability in settings where they’re exposed to seawater, brine, and various chemicals. These nuts are a popular choice in shipbuilding, desalination, and offshore industries, thanks to their impressive resistance to biofouling, stress corrosion, and erosion. Manufactured to meet international standards, Copper Nickel fasteners from Hamad Fasteners guarantee high reliability and a long service life, even in the most challenging conditions.
Typically, Copper Nickel Nuts are made from alloys that consist of 90% copper and 10% nickel (Cu-Ni 90/10) or 70% copper and 30% nickel (Cu-Ni 70/30), often with added iron and manganese to boost strength and corrosion resistance. They excel at resisting seawater corrosion, pitting, and crevice attack, while also providing solid mechanical strength, usually between 250–500 MPa tensile strength. These nuts maintain their properties across a wide range of temperatures, and their natural resistance to marine biofouling enhances their performance in submerged settings.
| 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 general purpose nuts. In marine applications, they are used to fix parts and protect from the effects of the marine environment such as corrosion by water. In industrial applications, they are used because of their durability and ability to withstand the effects of chemicals. Copper Nickel nuts are also very important in oil and gas industries due to their strength and resistance to the environment.
You’ll find Copper Nickel Nuts in various applications, including marine hardware, heat exchangers, ship hulls, offshore oil rigs, seawater piping systems, and condenser equipment. They’re perfect for situations that demand resistance to saltwater, chlorides, and marine organisms. With their reliable performance under fluctuating temperatures and in corrosive environments, these nuts are ideal for critical fastening in marine construction, desalination plants, and coastal infrastructure. Copper Nickel fasteners strike the perfect balance between durability, corrosion resistance, and conductivity, making them essential for long-term reliability.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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