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At Hazlewood Fasteners, we proudly manufacture and supply premium-grade Copper Nickel 90/10 Bolts in Canberra, Australia. These bolts are designed to perform exceptionally well in marine and industrial environments where corrosion resistance and durability are vital. Composed of 90% copper and 10% nickel, they offer outstanding resistance to seawater corrosion, biofouling, and stress cracking. Copper Nickel 90/10 Bolts are trusted for their strength, toughness, and ability to maintain structural integrity even in high-salinity and high-pressure applications — making them an ideal choice for shipbuilding, desalination plants, offshore platforms, and heat exchanger systems.
Copper Nickel 90/10 Bolts consist of 90% copper and 10% nickel, with small amounts of iron and manganese added to enhance strength and resistance to seawater corrosion. This alloy provides excellent protection against oxidation and erosion in both fresh and saltwater. It offers a tensile strength of about 350 MPa and a yield strength around 105 MPa, along with excellent ductility and thermal conductivity. These mechanical properties make Cu-Ni 90/10 Bolts a preferred option for marine and offshore environments requiring long-term performance and reliability.
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 90/10 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 max | 1 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Cupro Nickel 90/10 | 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| Material | Copper Nickel Bolts |
|---|---|
| Grades | Copper Nickel 90/10 |
| ASTM / ANSI | ASME SB 151/ ASTM B151 |
| Size | M2 – M160 |
| Threads: | BSW, METRIC, UNF, UNC, BSF,or as required |
| Copper Nickel Bolts Length | 3 mm to 200 mm |
| other sizes | M20, M2, M12, M2.5, M10, M6, M24, M4, M3, M30, M5, M36, M8, M14, M16 etc. |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Copper Nickel 90/10 Bolts are extensively used in shipbuilding, offshore oil and gas platforms, heat exchangers, condensers, and desalination units due to their high resistance to corrosion and scaling. They are also ideal for seawater piping systems, valves, and cooling circuits in power generation and chemical industries. Their ability to resist biofouling and retain strength under extreme marine conditions makes them indispensable for long-term underwater applications. Hazlewood Fasteners’ Copper Nickel 90/10 Bolts provide unmatched reliability, durability, and corrosion protection — ensuring secure fastening and superior performance in the harshest marine and industrial environments.
Copper Nickel 90/10 bolts that we sell at Hazlewood Fasteners are carefully packed so that they can reach the client in the best condition. Every bolt is protected and sealed to ensure that they do not get contaminated or damaged and they are packed in moisture proof containers. Proper labeling also helps in identification and management of the items which are intended to be stored. This ensures that the bolts are not compromised in any way and are ready for use as soon as they get to the client, thus underlining our policy of providing high-quality products and excellent services.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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