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Phosphor Bronze Foil (Light Tight) (Cu94/Sn 6)

Formula: Cu 94/Sn 6
Form: Foil (Light Tight)
Material: Phosphor Bronze
Commodity: Alloys
Light Tight: Light Tight
Phosphor Bronze Foil (Light Tight) (Cu94/Sn 6) is a versatile, copper-based alloy foil that’s available in 43 variations and provides properties like good spring properties, corrosion resistance and low friction. Its range of applications include medical components, electrical contacts, springs and bearings. The choice of sizes and tempers available make this foil suitable for prototypes, research and small-to-medium production runs across many industries.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 80-225
Elongation at break( % ) 60
Modulus of elasticity( GPa ) 90-120
Izod impact strength( J m⁻¹ ) 62
Shear strength( MPa ) 250-430
Tensile strength( MPa ) 320-740
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 11.0-16.0
Temperature coefficient( K⁻¹ ) 0.0006-0.0007
Thermal Properties
Element Value
Melting point( C ) 900-1050
Thermal conductivity( W m⁻¹ K⁻¹ ) 50-75@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 17@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.9

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