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Formula: Cu 94/Sn 6
Form: Powder
Material: Phosphor Bronze
Commodity: Alloys
Max Particle Size: 150μm
Type: Alloy Pre-cursor

Phosphor Bronze Precursor Powder (Cu94/Sn6)

Phosphor Bronze Precursor Powder (Cu94/Sn6) is a specialized copper–tin powder blend formulated for the controlled production of phosphor bronze alloys. Its key characteristics include uniform composition, high purity, and reliable sintering performance, which together provide a stable basis for alloy development. This precursor is widely used across electronics, manufacturing, and mechanical engineering industries where phosphor bronze alloys are valued for their strength, fatigue resistance, and corrosion protection. Specific uses include feedstock for creating alloys in electrical connectors, springs, and wear-resistant components in precision instruments. The powder form allows for fine control in powder metallurgy, additive manufacturing, and casting processes, making it essential in both industrial alloy production and materials research. By serving as the foundation for one of the most versatile copper-based alloys, Phosphor Bronze Precursor Powder (Cu94/Sn6) supports innovations in electronic reliability, structural durability, and advanced manufacturing technologies.
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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal

Material Properties for Alloys

Mechanical Properties
Element Value
Hardness - Brinell 80-225
Elongation at break( % ) 60
Modulus of elasticity( GPa ) 90-120
Izod impact strength( J m⁻¹ ) 62
Shear strength( MPa ) 250-430
Tensile strength( MPa ) 320-740
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 11.0-16.0
Temperature coefficient( K⁻¹ ) 0.0006-0.0007
Thermal Properties
Element Value
Melting point( C ) 900-1050
Thermal conductivity( W m⁻¹ K⁻¹ ) 50-75@23°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 17@20-100°C
Physical Properties
Element Value
Density( gcm⁻³ ) 8.9

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