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Santner Nickel Alloys is a reputable manufacturer and supplier of high-quality Copper Nickel Fasteners based in Hamilton, New Zealand. They cater to industries that require exceptional corrosion resistance and long-lasting durability. With state-of-the-art manufacturing facilities and rigorous quality control, the company produces Copper Nickel fasteners that can endure tough marine and industrial conditions. Their products are celebrated for their impressive mechanical strength, reliability, and resistance to seawater, biofouling, and stress corrosion. Santner Nickel Alloys is dedicated to delivering precision-engineered fastening solutions that comply with global standards, making them a go-to supplier for marine, desalination, offshore, and chemical processing sectors.
Copper Nickel Fasteners are primarily made up of 70–90% copper and 10–30% nickel, with carefully controlled amounts of iron and manganese to boost strength and corrosion resistance. This unique alloy blend offers remarkable protection against seawater corrosion, erosion, and macrofouling. In terms of mechanical properties, these fasteners provide good tensile strength, high ductility, and excellent thermal stability. Their toughness and ability to function well under varying temperatures make them a reliable choice for demanding applications. Additionally, Copper Nickel fasteners resist stress-corrosion cracking and maintain their mechanical integrity even in turbulent, high-salinity environments, ensuring they perform well over time.
| Grade | Cupro Nickel |
| Specifications | ASTM / ASME SB 151, SB 152 |
| Standards | DIN, ASTM, BS and all International Standards |
| Length | UPTO 5 METERS |
| Size | M4 To M100 | Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Hex Bolts, Flange Bolts, Hex Head Bolts, Lag Bolts, Square Bolts, Eye Bolts, U Bolts, T Bolts, Counter sunk Bolts, Hex Head Nut, Eye Nut, Dome Nut, Coupling Nut, Square Nut, Acorn Nut, Hex Head Cap Screws, Socket Set Screws, Anchor Screws, Socket Head Screws, Concrete Screws, Shoulder Screws, Threaded Screws, Machine Screws, Machine Washers, Flat Washer, Star Washers, Sealing Washer, Lock Washer etc. |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
|---|---|---|---|---|---|---|
| Copper Nickel | 65.0 min | 1 max | .05 max | 29-33 | 0.4-1.0 | 1 max |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength, ultimate | 372-517 MPa | 54000-75000 psi |
| Tensile strength, yield (depending on temper) | 88.0-483 MPa | 12800-70100 psi |
| Elongation at break (in 381 mm) | 45.0% | 45.0% |
| Charpy impact | 107 J | 78.9 ft-lb |
| Machinability (UNS C36000 (free-cutting brass) = 100%) | 20% | 20% |
| Shear modulus | 57.0 GPa | 8270 ksi |
| Poisson’s ratio | 0.34 | 0.34 |
| Elastic modulus | 150 GPa | 21800 ksi |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Copper Nickel Fasteners 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 Fasteners find extensive use in marine and offshore industries thanks to their outstanding resistance to seawater and saline conditions. They play a crucial role in shipbuilding, seawater cooling systems, desalination plants, heat exchangers, and condenser units. These fasteners are also utilized in offshore oil and gas platforms, coastal infrastructure, underwater equipment, and naval vessels. Beyond marine applications, Copper Nickel fasteners are also employed in chemical processing and power generation, showcasing their versatility and reliability across various sectors.
