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Brass Spooled Wire (Cu70/Zn30)

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Commodity: Alloys Material: Copper/Zinc (Brass) Form: Wire Composition: Cu 70/Zn 30 Temper: As Drawn
Brass Spooled Wire (Cu70/Zn30) combines high electrical conductivity with superior corrosion resistance and good tensile strength, making it suitable for both functional and decorative uses. The 70% copper and 30% zinc composition provides a warmer color tone while enhancing workability for intricate designs and precision winding. This alloy is widely applied in electronics for signal and grounding conductors, in mechanical engineering for spring and connector fabrication, and in decorative arts for fine metalwork. Specific uses include precision coil windings in instrumentation, corrosion-resistant springs, and aesthetically appealing yet durable braids. Research on Cu70/Zn30 wire focuses on electrochemical stability in alkaline environments, mechanical fatigue resistance, and coating techniques to enhance service life in challenging conditions. Its combination of formability, stability, and performance makes it indispensable for industries that demand reliable conductors and robust mechanical components.
Starting at $411.00 each
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Material Properties

Mechanical Properties
Element Value
Hardness - Brinell 65-160
Elongation at break( % ) 65
Modulus of elasticity( GPa ) 100-115
Izod impact strength( J m⁻¹ ) 50-90
Shear strength( MPa ) 200-400
Tensile strength( MPa ) 300-700
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.2-7.8
Temperature coefficient( K⁻¹ ) 0.0012-0.0016
Thermal Properties
Element Value
Melting point( C ) 910-965
Thermal conductivity( W m⁻¹ K⁻¹ ) 109-121@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 19-20@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.55
each

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Available Configurations

Properties common to all products in this list

Commodity: Alloys Material: Copper/Zinc (Brass) Form: Wire Composition: Cu 70/Zn 30 Temper: As Drawn

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Tolerances

Wire
Diameter ±10%
Length +5% / -1%