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Composition: Cu 62/Ni 18/Zn 20
Form: Disk
Material: Copper/Nickel/Zinc (Nickel Silver)
Commodity: Alloys

Nickel Silver Alloy Disk (Cu62/Ni18/Zn20)

Nickel Silver Alloy Disk (Cu62/Ni18/Zn20) is a ternary alloy combining copper, nickel, and zinc to deliver a unique balance of strength, formability, and corrosion resistance, while maintaining a silver-like appearance that enhances its functional and decorative appeal. The disk form is particularly useful in precision machining, prototyping, and component manufacturing where uniformity and surface quality are critical. Industries that make extensive use of this alloy include electronics, decorative arts, and precision instruments. Specific applications include piezoelectric crystal oscillator housings, corrosion-resistant decorative elements, and robust electrical connectors. Research has underscored its durability in physiological solutions, its capacity to resist oxidation and vulcanization, and the development of high-strength variants with improved wear and fatigue resistance. By merging visual appeal with mechanical resilience, Nickel Silver Alloy Disk (Cu62/Ni18/Zn20) provides exceptional value in both scientific research and industrial innovation, particularly where reliability and aesthetics must coexist.

Health hazard/Hazardous to the ozone layer

Serious health hazard

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Tolerances

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

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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