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MUKAU FASTENERS is a reputable manufacturer and supplier based in Kinshasa, Congo, specializing in high-quality Copper Nickel 70/30 Nuts designed for top-notch performance in marine, industrial, and offshore settings. These nuts are celebrated for their remarkable resistance to seawater corrosion, stress cracking, and biofouling. With a strong dedication to precision manufacturing and adherence to international quality standards, MUKAU FASTENERS provides Copper Nickel 70/30 Nuts that guarantee exceptional strength, durability, and reliability, making them perfect for demanding applications in heat exchangers, desalination plants, and the chemical processing industry.
Copper Nickel 70/30 Nuts are made up of about 70% copper and 30% nickel, with small amounts of iron and manganese added to boost their mechanical strength and corrosion resistance. They showcase impressive tensile and yield strength, high hardness, and outstanding resistance to seawater and erosion-corrosion. Additionally, these nuts offer good ductility, weldability, and thermal stability, making them well-suited for high-pressure and high-temperature environments where long-lasting performance is crucial.
| 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 70/30 Nuts are widely utilized in marine and offshore industries thanks to their exceptional resistance to saltwater and biofouling. They are perfect for applications in heat exchangers, condensers, seawater piping systems, and desalination plants. Moreover, these nuts find extensive use in power generation, shipbuilding, and chemical processing industries, where corrosion resistance and high mechanical stability are vital. Their remarkable durability and anti-corrosive properties make them a dependable choice for securing assemblies in harsh, corrosive, and marine environments.
Our Copper Nickel 70/30 Nuts at Mukau Fasteners are packed in a manner that they reach the clients in the best condition possible. Every nut is covered and placed in hard-wearing, moisture-proof packets to avoid spoilage and harm. Proper labeling enhances identification and management of the items. The nuts are packed carefully to ensure that they retain their high quality and are ready for consumption, thus showcasing our company’s dedication to providing high-quality products and excellent customer care.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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