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Santner Nickel Alloys is a reliable manufacturer and supplier of high-performance Copper Nickel Screws based in Hamilton, New Zealand. They cater to industries that demand exceptional corrosion resistance and durability. These screws are meticulously designed to endure tough marine and industrial conditions, crafted from top-notch Cu-Ni alloys using cutting-edge manufacturing techniques. Santner Nickel Alloys guarantees that each screw provides outstanding strength, a long lifespan, and dependable fastening for challenging applications. With a strong focus on quality, innovation, and timely delivery, the company proudly supports clients in marine, power generation, chemical processing, and desalination sectors with trustworthy Copper Nickel fastening solutions.
Copper Nickel Screws are typically made from Cu-Ni 90/10 or 70/30 alloys, primarily composed of copper and nickel, along with trace amounts of iron and manganese. This specific blend boosts their resistance to seawater corrosion, enhances mechanical strength, and helps prevent pitting and stress corrosion cracking. These screws exhibit impressive tensile and yield strength, remarkable ductility, and consistent performance under varying temperatures and pressures. Their toughness and ability to resist biofouling make them perfect for long-term use in highly corrosive marine environments, ensuring reliable and durable fastening solutions for critical applications.
| Specifications | ASTM / ASME SB 61 / 62 / 151 / 152 |
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Size | 1/2” to 12″ |
| Standards | ASTM, ASME Washer, ANSI Washer, DIN Washer, EN Washer, BS Washer etc |
| Grade | Copper & Copper Nickel Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640 |
| Class | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN |
| 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 |
At Santner Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Coper Nickel Screw 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 Screws find extensive use in marine engineering and shipbuilding, thanks to their outstanding resistance to seawater corrosion, erosion, and biofouling. They are perfect for securing components in seawater piping systems, heat exchangers, condensers, pumps, and valves. These screws are also vital in desalination plants, offshore platforms, and coastal installations where durability is crucial. In industrial applications, Copper Nickel Screws are utilized in chemical processing, HVAC systems, and high-salinity fluid systems.
