Home > Copper Nickel 70/30 Nuts
Majid Fasteners, a top-notch manufacturer and supplier based in Dubai, UAE, proudly presents their high-quality Copper Nickel 70/30 Nuts, designed to excel in tough marine and industrial settings. Crafted from a durable copper-nickel alloy with 70% copper and 30% nickel, these nuts boast outstanding resistance to seawater corrosion, biofouling, and the challenges of high-velocity saline environments. Majid Fasteners is committed to precision machining, rigorous quality testing, and adherence to international standards, making their Cu-Ni 70/30 Nuts perfect for applications in shipbuilding, desalination plants, offshore structures, and heat-exchange systems. With their strong mechanical properties, these nuts promise long-lasting reliability even in highly corrosive and high-pressure situations.
Copper Nickel 70/30 Nuts are crafted from an alloy that consists of about 70% copper and 30% nickel, with a touch of iron and manganese added to boost their strength and resistance to corrosion. This unique blend provides outstanding protection against seawater, stress-corrosion cracking, and erosion. These nuts are known for their impressive tensile strength, great ductility, and solid toughness, making them perfect for high-temperature and high-pressure situations. Their metallurgical stability guarantees dependable performance in marine, offshore, and industrial cooling systems that face harsh saline and chemical environments.
| 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 |
Copper Nickel 70/30 Nuts are a go-to choice for applications that demand excellent resistance to seawater, biofouling, and corrosion. They’re crucial in marine engineering, shipbuilding, and offshore platforms because they can handle saline conditions and fast-moving seawater. Desalination plants rely on these nuts for pumps, brine heaters, evaporators, and piping systems. They’re also found in heat exchangers, condensers, and industrial cooling systems where reliability and corrosion resistance are a must. Copper Nickel 70/30 Nuts are vital for naval vessels, coastal installations, oil and gas processing, and power generation facilities that need long-lasting fastening solutions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
