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Pure Tin Coated Tinned Copper Alloy Spooled Wire (CuSn)

Formula: CuSn
Form: Wire
Material: Tinned Copper Alloy
Commodity: Alloys
Diameter: 0.25mm
Temper: Annealed
Coating: Pure Tin Coated
Hazard Pictogram: GHS08
Pure Tin Coated Tinned Copper Alloy Spooled Wire (CuSn) is part of Goodfellow's range of specialized wires. The range includes 14 variations of this copper wire, with coatings of pure tin to improve corrosion resistance and solderability. The wires combine high electrical and thermal conductivity with good mechanical properties. They are used for applications such as electrical connections, winding wire, and lead wires where corrosion resistance and solderability are important. The pure tin coating provides excellent protection for the copper core in demanding environments.
Technical Data Sheet Safety Data Sheet Tolerance Properties

Serious health hazard

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Alloys

Mechanical Properties
Element Value
Elongation at break( % ) 50
Modulus of elasticity( GPa ) 117
Hardness - Vickers( kgf mm⁻² ) 40-120
Tensile strength( MPa ) 200-400
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 45293
Temperature coefficient( K⁻¹ ) -
Thermal Properties
Element Value
Melting point( C ) 1083
Thermal conductivity( W m⁻¹ K⁻¹ ) 391.1@°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 16.9@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.92

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