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Copper/Nickel Alloy Foil (Cu70/Ni30)

Formula: Cu 70/Ni 30
Form: Foil/Film/Sheet
Material: Copper/Nickel Alloy
Commodity: Alloys
Copper/Nickel Alloy Foil (Cu70/Ni30) combines the high ductility and thermal conductivity of copper with the corrosion resistance and strength of nickel. With 12 variations available, we offer the optimal combination of thickness, temper and surface finish for applications like gaskets, seals, springs and electrical contacts requiring good formability, elasticity and conductivity. Our range of Copper/Nickel Alloy Foils (Cu70/Ni30) give you the freedom to choose customizable solutions for demanding mechanical, thermal, and electrical needs across industries.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Foil/Film/Sheet
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±25%
Thickness >0.05mm ±10%

Material Properties for Alloys

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

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