Copper Nickel 70/30 Nuts

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Copper Nickel 70/30 Nuts Manufacturer and Supplier in Mumbai, India

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Established with a vision to deliver excellence, The Fasteners Mart in Mumbai, India, has emerged as a leading name in fastener industry for reliability and quality. We produce and supply Copper Nickel 70/30 nuts from high-quality UNS C71500 alloy, containing 70% copper and 30% nickel. The nuts are available in different shapes like hex, square and dome. Providing superior strength and corrosion resistance and perfect for marine and industrial applications.

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Copper Nickel 70/30 Nuts consist of 70% copper and 30% nickel, with minor contents of iron and manganese to improve mechanical strength and corrosion resistance. They possess good mechanical properties, such as a tensile strength of 310–500 MPa and a yield strength of 105–275 MPa, with a good ductility and elongation. Physically, the nuts possess a density of 8.95 g/cm³ and a melting point of approximately 1170°C. They have very good thermal and electrical conductance and are very resistant to biofouling and so are well suited to challenging marine and industrial conditions.

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.

The CuNi 70/30 Nuts are used widely in marine and offshore sectors owing to their very good seawater corrosion and biofouling resistance. They are widely used in shipbuilding, desalination plants and undersea pipelines and provide long life under severe conditions. These nuts find application in heat exchangers, power generation equipment and chemical processing units. Where strength, conductivity, and corrosion resistance are critical. They are also non-magnetic and non-sparking, making them ideal for naval defense systems and oil & gas platforms, where safety and reliability are critical and high-pressure applications are involved.

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Types of Copper Nickel 70/30 Nuts

We provide safe and effective delivery services for Copper Nickel 70/30 nuts, with timely dispatch both locally and abroad. Every order is properly packaged in strong materials such as wooden crates, cartons, or bubble wrap to avoid damage during shipping. Our packaging ensures product safety, while tracking assistance provides transparency and convenience during shipping.