Home > Copper Nickel > Copper Nickel 70/30 Nuts
Santner Nickel Alloys, located in Hamilton, New Zealand, is a reliable manufacturer and supplier known for its high-quality Copper Nickel 70/30 Nuts, perfect for tough marine and industrial settings. With a strong commitment to excellence, they create precision-engineered nuts that offer outstanding corrosion resistance, durability, and performance even in the harshest conditions. The company adheres to strict quality standards and employs advanced manufacturing techniques to ensure that every Copper Nickel 70/30 Nut meets international specifications. Their dedication to reliability, customer satisfaction, and prompt delivery has established them as a go-to source for copper-nickel fastening solutions throughout New Zealand and beyond.
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 strength and resistance to corrosive environments. This alloy is known for its excellent mechanical stability, providing reliable tensile strength, good yield strength, and impressive ductility, making these nuts ideal for high-pressure and fluctuating temperature situations. They also show remarkable resistance to seawater corrosion, stress corrosion cracking, erosion, and biofouling. The blend of toughness, thermal stability, and long-lasting durability ensures that Copper Nickel 70/30 Nuts perform effectively in critical fastening applications exposed to marine and industrial challenges.
| 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 Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel 70/30 Nuts in Hamilton, New Zealand, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the New Zealand, 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.
Copper Nickel 70/30 Nuts are commonly found in settings that demand exceptional corrosion resistance and mechanical reliability. They play a vital role in shipbuilding, supporting seawater cooling systems, heat exchangers, pumps, and marine piping networks. Offshore oil and gas facilities rely on them for firewater systems, structural assemblies, and equipment installations. Their robust performance in these applications makes them indispensable for ensuring safety and efficiency in marine and industrial operations.
