90WNiCu tungsten alloy ball has high density, a low coefficient of expansion and a high modulus of elasticity. It offers good corrosion resistance, which is non-toxic. It is widely used in weight and factories, and the military.
The properties of 90WNiCu tungsten alloy ball are:
Matrix: 90% W
Binder: 10% Ni-Cu
Density: 17.0g/cm3 and 0.614lb/in3
Thermal Conductivity: 95 W/(m·K)
Coefficient of Thermal Expansion 20~100℃：6.0μm/(m·K)
Coefficient of Thermal Expansion 20~300℃：6.2μm/(m·K)
Coefficient of Thermal Expansion 20~4500℃：6.4μm/(m·K)
Electrical Conductivity: 14% IACS
Electrical Resist：0.12~0.13μΩ·m
Yield Strength (0.2% offset): 75.4~79.8KSI
Tensile Strength: 94.3~110 KSI
Elongation: 1~4%
Hardness：270~310HV10
Modulus of Elasticity：280~340GPa
Magnetic Properties: Non-magnetic
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