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Tanvir Nickel Alloys, located in Cairo, Egypt, stands out as a top manufacturer and supplier of Copper Nickel 70/30 Nuts, celebrated for their exceptional corrosion resistance and durability in both marine and industrial settings. These nuts are crafted with precision to adhere to strict international standards, guaranteeing dependable performance even in the toughest conditions. By merging cutting-edge manufacturing techniques with thorough quality control, Tanvir Nickel Alloys produces nuts that can endure seawater, chemical exposure, and salt-laden environments. Their Copper Nickel 70/30 Nuts are extensively utilized in offshore operations, shipbuilding, desalination, and the chemical industry, where reliable, long-lasting fasteners are a must.
The Copper Nickel 70/30 Nuts are composed of an alloy that features around 70% copper and 30% nickel, along with trace amounts of iron and manganese to boost mechanical strength and corrosion resistance. This unique blend offers remarkable protection against pitting, stress corrosion cracking, and biofouling in harsh seawater conditions. Typically, these nuts demonstrate tensile strength between 275 and 350 MPa and yield strength ranging from 105 to 150 MPa, all while maintaining excellent ductility and thermal stability. Their strong mechanical properties ensure that they can securely fasten under heavy loads and varying temperatures.
| Specifications | : | ASTM B 151 ASME SB 151 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 70/30 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Cu-Ni 70/30 | Cu | Pb | Mn | Fe | Zn | Ni |
| 88.6 min | 0.05 max | 1.0 max | 1.8 max | 1 max | 9-11 max |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 35,000, MPa – 241 | Psi -80,000, MPa -551 | 30 % |
At Tanvir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel 70/30 Nuts in Cairo, Egypt, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Egypt, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These Copper Nickel 70/30 Nuts are widely employed in marine and offshore sectors, including shipbuilding, oil and gas platforms, and desalination facilities, where they face constant exposure to seawater and corrosive chemicals. They are perfect for securing flanges, valves, pumps, and structural assemblies that demand high corrosion resistance and longevity. Moreover, these nuts are also used in chemical processing, power generation, and coastal infrastructure projects. With their low maintenance requirements and ability to withstand harsh environments, Copper Nickel 70/30 Nuts are a preferred choice for many applications.