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Formula: Cu 63/Zn 37
Form: Coil
Material: Brass
Commodity: Alloys
Brass Coil (Cu63/Zn37) is a copper-zinc alloy foil offered in Goodfellow's extensive range of metal foils. The material exhibits good ductility and corrosion resistance along with attractive golden color. Typical applications for brass foil include decorative parts, shims, spacers, and EMI shielding. The Cu63/Zn37 brass composition provides a versatile combination of formability, strength, and cost-effectiveness. As part of Goodfellow's metal foils inventory, brass coil enables rapid prototyping and development of parts requiring thin, flexible metallic sheets.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Coil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 65-136
Elongation at break( % ) 55
Modulus of elasticity( GPa ) 95-110
Shear strength( MPa ) 280-310
Tensile strength( MPa ) 330-500
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.2-6.6
Temperature coefficient( K⁻¹ ) 0.0016-0.0017
Thermal Properties
Element Value
Melting point( C ) 900-920
Thermal conductivity( W m⁻¹ K⁻¹ ) 125@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 19-20.5@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.45

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