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Lina Fasteners is a trusted manufacturer and supplier of high-quality Copper Nickel Nuts, proudly based in Tunis, Tunisia. With cutting-edge manufacturing capabilities and rigorous quality control measures, Lina Fasteners provides fastening solutions that not only meet international standards but also cater to demanding application needs. Our Copper Nickel Nuts are designed for outstanding corrosion resistance, precise threading, and long-lasting durability. We serve the marine, offshore, and industrial sectors, blending technical know-how, efficient logistics, and a customer-first approach to support projects both regionally and globally.
Copper Nickel Nuts are crafted from a copper alloy mixed with nickel, usually in 90/10 or 70/30 grades, with small amounts of iron and manganese added to boost strength and corrosion resistance. This unique composition offers exceptional protection against seawater, chlorides, and biofouling. On the mechanical side, Copper Nickel Nuts provide good tensile strength, high ductility, and impressive toughness. They resist stress corrosion cracking, can handle thermal expansion, and have low magnetic permeability, ensuring reliable performance even in tough 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
|
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 find extensive use in marine and offshore settings where corrosion resistance is crucial. They’re commonly used in shipbuilding, seawater piping systems, heat exchangers, condensers, and desalination plants. Additionally, they play a vital role in the oil and gas, power generation, and chemical processing industries, especially in saline or humid conditions. Their durability, resistance to galvanic corrosion, and compatibility with copper-nickel assemblies make Copper Nickel Nuts perfect for long-term use in challenging operating environments.
Copper Nickel nuts at Lina 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.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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