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Copper/Nickel Alloy Disk (Cu70/Ni30)

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Properties common to all products in this list

Composition: Cu 70/Ni 30 Form: Disk Material: Copper/Nickel Commodity: Alloys Thickness: 0.016mm
Copper/Nickel Alloy Disk (Cu70/Ni30) is a corrosion-resistant, high-strength alloy combining copper’s excellent thermal and electrical conductivity with nickel’s durability and resistance to seawater degradation. The 70/30 composition offers an optimal balance between conductivity, strength, and resistance to biofouling, making it suitable for both research and industrial use. In disk form, it provides a stable and uniform surface for electrochemical studies, precision machining, and specialized component fabrication. This alloy is widely applied in marine engineering, chemical processing, and electrical manufacturing, particularly in condenser tubes, desalination systems, and corrosion-resistant electrodes. Technologies benefiting from this material include seawater-cooled heat exchangers, voltammetric sensors, and high-reliability connectors in harsh environments. In research, it serves as a model material for studying corrosion mechanisms, galvanic effects, and surface treatments in aggressive electrolytes. Its value lies in enabling high-performance, long-life components for critical applications where both strength and corrosion resistance are essential.

Health hazard/Hazardous to the ozone layer

Serious health hazard

Starting at $148.00 each
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Material Properties

Mechanical Properties
Element Value
Elongation at break( % ) <45
Tensile strength( MPa ) 410-420
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 37.4
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1171
Specific heat( J K⁻¹ kg⁻¹ ) 377@23°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 29.4
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16.2@20-300°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.94
each

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Available Configurations

Properties common to all products in this list

Composition: Cu 70/Ni 30 Form: Disc Material: Copper/Nickel Commodity: Alloys Thickness: 0.016mm

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Tolerances

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