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Lina Fasteners is a well-respected manufacturer and supplier of high-quality Copper Nickel 70/30 Nuts, proudly based in Tunis, Tunisia. With cutting-edge manufacturing technology 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 70/30 Nuts are designed for outstanding corrosion resistance, strength, and long-lasting reliability, even in harsh environments. We serve various sectors, including marine, offshore, and heavy industry, and are dedicated to delivering precision components, a consistent supply, and reliable technical support to our customers around the globe.
Copper Nickel 70/30 Nuts are made up of about 70% copper and 30% nickel, with carefully controlled amounts of iron and manganese added to enhance their mechanical strength and corrosion resistance. This alloy is known for its remarkable resistance to seawater, high-velocity flow conditions, and corrosion caused by chlorides. In terms of mechanical properties, Copper Nickel 70/30 Nuts boast higher tensile strength compared to the 90/10 grades, along with excellent toughness, good ductility, and resistance to stress corrosion cracking. They remain stable across a wide range of temperatures and have low magnetic permeability.
| 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 find extensive use in challenging marine and offshore environments where superior strength and corrosion resistance are essential. You’ll commonly see them in shipbuilding, offshore oil and gas platforms, seawater piping systems, heat exchangers, and condensers. These nuts are also perfect for desalination plants, power generation facilities, and the chemical processing industry. Their exceptional resistance to erosion corrosion and biofouling makes Copper Nickel 70/30 Nuts an excellent choice for long-term service in tough, high-salinity conditions.
Our Copper Nickel 70/30 Nuts at Lina 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.
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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