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Phosphor Bronze Foil (Cu94/Sn6)

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Commodity: Alloys Material: Phosphor Bronze Form: Foil/Film/Sheet Composition: Cu 94/Sn 6
Phosphor Bronze Foil (Cu94/Sn6) offers an ideal combination of mechanical strength, formability, and electrical conductivity, supported by excellent corrosion resistance. In foil form, it is used where thin, conductive, and durable materials are required, such as in precision electrical contacts, connector springs, and EMI shielding for electronics. Industries including telecommunications, aerospace, and marine engineering benefit from its stability in humid and saline conditions. Specific applications include flexible printed circuits, sensitive measuring devices, and spring washers in precision instruments. In research contexts, it is favored for experimental setups requiring repeated flexing without loss of performance. The balance of mechanical resilience and reliable conductivity makes it a versatile choice for advanced engineering.
Starting at $273.00 each
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Material Properties

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
each

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Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Phosphor Bronze Form: Foil Composition: Cu 94/Sn 6

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
Linear dimension <100mm ±1mm
Linear dimension >=100mm +2 / -1%