Copper Nickel 70/30 Nuts

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Copper Nickel 70/30 Nuts Manufacturer and Supplier in Hamilton, New Zealand

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Aria Fasteners, a well-respected manufacturer and supplier located in Hamilton, New Zealand, is known for providing top-notch **Copper Nickel 70/30 Nuts** that are specifically designed for tough marine and industrial settings. With a strong focus on precision manufacturing, durability, and resistance to corrosion, the company caters to various sectors, including shipbuilding, desalination, offshore operations, and the process industry. Their state-of-the-art facilities and rigorous quality assurance practices guarantee that each nut meets international standards for reliability and longevity. Backed by technical know-how and a commitment to customer service, Aria Fasteners remains a go-to source for high-quality fastening solutions that can endure challenging operating conditions.

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Copper Nickel 70/30 Nuts are crafted from an alloy that consists of about **70% copper and 30% nickel**, with carefully controlled amounts of iron and manganese added to boost strength and corrosion resistance. This alloy is known for its impressive resistance to seawater, erosion, biofouling, and stress corrosion cracking, making it ideal for marine applications. In terms of mechanical properties, it offers moderate tensile strength, high ductility, and consistent toughness across a range of temperatures. The alloy’s uniform microstructure ensures reliable performance even under high pressure, salinity, and prolonged exposure to corrosive environments.

Copper Nickel 70/30 Nuts Chemical Composition

Copper Nickel	Ni	Pb	Cu	Fe	Mn	Zn
Copper Nickel	9-11 max	0.05 max	88.6 min	1.8 max	1.0 max	1 max

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Copper Nickel 70/30 Nuts Mechanical Properties

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

Copper Nickel 70/30 Nuts Specification

Material	Specification	Standards	Size
Cupro Nickel	ASTM	ASTM B151, B152	M10 to M100

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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 70/30 Nuts are widely used in marine applications such as ships and sea-based structures because of their excellent ability to resist corrosion from water. They are very essential in desalination plants since they provide excellent service in chloride corrosion. Further, these nuts are used in chemical processing industries, heat exchange systems, and other industrial uses where stability and endurance are important to maintain the nuts’ long-term performance.

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Types of Copper Nickel 70/30 Nuts

These Copper Nickel 70/30 Nuts are extensively used in situations that require outstanding resistance to seawater corrosion and mechanical wear. They are essential components in **shipbuilding, offshore oil and gas structures, seawater piping systems, and desalination plants**, where long-lasting durability is crucial. Additionally, these nuts find common use in **heat exchangers, condensers, cooling circuits, and marine pump systems**, where their resistance to erosion and biofouling guarantees stable performance. Beyond marine applications, they are also utilized in chemical processing and coastal infrastructure projects that require secure fastening solutions capable of withstanding harsh, corrosive conditions.