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Formula: Cu 70/Zn 30
Form: Wire
Material: Brass
Commodity: Alloys
Temper:
As Drawn
Brass Spooled Wire (Cu70/Zn30) is part of Goodfellow's range of wire products. This brass wire is composed of 70% copper and 30% zinc, giving it useful material properties like high ductility and electrical conductivity along with corrosion resistance. Applications of brass wire include electrical wiring due to its conductivity and excellent formability into springs or fasteners. The spooled brass wire from Goodfellow enables flexible use in various electrical, mechanical and plumbing applications requiring a corrosion-resistant and easily formed wire material.
Tolerances
Wire
| Diameter | ±10% | |
|---|---|---|
| Length | +5% / -1% |
Material Properties for Alloys
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 |
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