Home > Copper Nickel > Copper Nickel 90/10 Fasteners
Based in Cape Town, Cape Town, Themba Nickel Alloys is a reliable manufacturer and supplier of **Copper Nickel 90/10 Fasteners** for clients in **Cape Town, South Africa**. Known for our top-notch quality, durability, and precision engineering, our Copper Nickel 90/10 fasteners are crafted to withstand the tough demands of marine, chemical, and industrial settings. With state-of-the-art manufacturing facilities and rigorous quality control measures, Themba Nickel Alloys provides products that excel in resisting corrosion, seawater, and biofouling. Our dedication to innovation and excellence guarantees dependable fastening solutions for critical applications around the globe.
Copper Nickel 90/10 Fasteners are made up of about 90% copper and 10% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. They boast impressive mechanical properties, featuring a tensile strength of roughly 275–350 MPa and good elongation. These fasteners retain their toughness and ductility even in challenging environments. Their outstanding resistance to seawater corrosion, stress cracking, and biofouling makes them perfect for marine and offshore applications, ensuring they perform reliably under demanding conditions.
Standard : DIN, ASTM, BS, and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Washers Size : M1 – M64 | #4 to 3″ | Custom Sizes
Length : M02 to M33
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 90/10 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Cupro Nickel 90/10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
Copper Nickel 90/10 Fasteners find extensive use in **marine engineering, offshore oil and gas platforms, desalination plants, and heat exchangers**. They are the go-to choice for assembling **pumps, valves, condensers, and piping systems** that come into contact with seawater and corrosive fluids. Their resistance to biofouling and excellent thermal stability make them ideal for **shipbuilding, coastal power generation, and the chemical processing industry**. Additionally, these fasteners are utilized in **hydraulic systems, seawater cooling circuits, and marine hardware**, where long-lasting reliability, corrosion resistance, and mechanical strength are crucial for performance and safety.
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Copper Nickel 90/10 is widely used in the marine and industrial industries for its corrosion resistance and durability. They are commonly found in marine pipelines, heat exchangers and desalination plants. Its resistance to biofouling makes it ideal for applications such as condensed tubing and marine hardware. In addition, they are used in a variety of applications in money, power transmission, and the oil and gas industry. Its strength and extreme environmental resistance ensure reliable performance in extreme conditions.
