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Phosphor Bronze Foil (Cu94/Sn 6)

Formula: Cu 94/Sn 6
Form: Foil/Film/Sheet
Material: Phosphor Bronze
Commodity: Alloys
Phosphor Bronze Foils (Cu94/Sn 6) are a copper-based alloy product available from Goodfellow that contain small amounts of tin, phosphorus and other elements. These foils offer a range of mechanical, thermal and electrical properties, that can be tailored to meet specific industrial and scientific needs thanks to a choice of 74 variations. Phosphor Bronze Foils are valued for their strength, ductility and corrosion resistance. They’re used in applications such as springs, fasteners, bushings, bearings, and marine components where their versatile properties are needed.
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
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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