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Copper/Beryllium Alloy Wire (Cu98/Be 2)

Goodfellow’s copper/beryllium alloy wire (Cu98/Be2) combines the high electrical and thermal conductivity of copper with the strength and stiffness of beryllium. The addition of just 2% beryllium to copper increases the alloy's yield strength and elastic modulus significantly compared to pure copper. This copper-beryllium wire maintains its properties at both cryogenic and elevated temperatures. Common applications include springs, electrical contacts, and precision instrument parts requiring high strength, resilience, and conductivity.
Formula: Cu98/Be 2
Diameter: 0.25mm
Length: 100m
Temper: Hard
Production Method: Hard Drawn Wire
UOM Code: 749-874-21
SKU: 1000225288
Product Code: CU07-WR-000252

Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Tolerances

Wire
Diameter ±10%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet
£247.55
each
  • Buy 5 for £200.52 each and save 19%
  • Buy 10 for £183.19 each and save 26%
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Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 100-360
Elongation at break( % ) 50
Modulus of elasticity( GPa ) 120-160
Tensile strength( MPa ) 500-1300
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.4-11.5
Temperature coefficient( K⁻¹ ) 0.001-0.0018
Thermal Properties
Element Value
Melting point( C ) 860-1000
Thermal conductivity( W m⁻¹ K⁻¹ ) 60-120@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 17@25-300°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.25
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