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Marsh Nickel Alloys, located in Canberra, Australia, is a trusted manufacturer and supplier of high-quality metal fasteners and alloys for industrial, marine, and engineering applications. Among their reliable products are Copper Nickel Screws, designed to provide strength, durability, and resistance to corrosion in demanding environments. Each screw is manufactured with precision to ensure consistent threads, accurate dimensions, and long-lasting performance. Widely used across industries that rely on corrosion-resistant materials, Marsh Nickel Alloys’ Copper Nickel Screws offer secure fastening solutions that maintain integrity even in harsh marine, chemical, and industrial conditions.
Copper Nickel Screws are made primarily of copper with 10–30% nickel, often including small amounts of iron and manganese to improve strength and corrosion resistance. This combination gives the screws high tensile strength, excellent ductility, and superior resistance to seawater and chemical corrosion. Their tensile strength typically ranges from 300–500 MPa. The screws maintain mechanical stability under high stress and temperature, while smooth threads ensure easy installation and secure fastening. Copper Nickel Screws combine toughness and reliability, making them ideal for applications where long-term durability and resistance to harsh environments are essential.
| 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 Marsh Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Coper Nickel Screw in Canberra, Australia, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Australia, 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 are widely used in marine and offshore industries, including shipbuilding, offshore platforms, and seawater piping systems, because of their excellent corrosion resistance. They are also essential in chemical plants, desalination facilities, and power generation equipment for fastening components exposed to harsh conditions. The screws are suitable for automotive, mechanical, and structural applications, where durability and resistance to rust are critical. Copper Nickel Screws are valued wherever strong, long-lasting, and corrosion-resistant fasteners are required. Their ability to maintain secure connections under extreme conditions makes them indispensable in demanding industrial and marine environments.
