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Composition: Cu 62/Ni 18/Zn 20
Form: Coil
Material: Copper/Nickel/Zinc (Nickel Silver)
Commodity: Alloys
Temper: As Rolled
Thickness: 0.4mm
Coil Width: 150mm

Nickel Silver Alloy Coil (Cu62/Ni18/Zn20)

Nickel Silver Alloy Coil (Cu62/Ni18/Zn20) is a ternary copper-based alloy that balances strength, corrosion resistance, and aesthetic appeal with its silver-like appearance. The combination of copper, nickel, and zinc provides a unique set of mechanical and chemical properties, including wear resistance, durability, and good formability. Industries that benefit most from this alloy include electronics, coinage, and decorative applications, where both performance and appearance are critical. More specifically, Nickel Silver Alloy Coil (Cu62/Ni18/Zn20) is used in the fabrication of electrical connectors, corrosion-resistant mechanical components, and consumer products requiring long-lasting metallic finishes. Research has focused on optimizing its corrosion behavior in physiological environments, developing high-strength compositions with improved wear resistance, and refining cost-effective manufacturing methods for large-scale industrial use. With its combination of resilience, workability, and aesthetic quality, Nickel Silver Alloy Coil (Cu62/Ni18/Zn20) continues to play an essential role in both research and industry, bridging functional performance with design versatility.

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 75-190
Elongation at break( % ) 45
Modulus of elasticity( GPa ) 120-135
Izod impact strength( J m⁻¹ ) 110-130
Shear strength( MPa ) 290-400
Tensile strength( MPa ) 400-700
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 29
Temperature coefficient( K⁻¹ ) 0.0003
Thermal Properties
Element Value
Melting point( C ) 1060-1110
Thermal conductivity( W m⁻¹ K⁻¹ ) 28@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16-17.1@25-300°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.72

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