97WNiFe tungsten alloy ball has excellent wear resistance, electric and thermal conductivities and corrosion resistance characters with high density and good mechanical strength. It is used in weight or balance industrial and in military.
The properties of 97WNiFe tungsten alloy ball are:
Matrix: 97.0% W
Binder: 3.0% Ni-Fe
Density: 18.0g/cm3 and 0.668lb/in3
Thermal Conductivity: 80 W/(m·K)
Coefficient of Thermal Expansion 20~100℃：5.1μm/(m·K)
Coefficient of Thermal Expansion 20~300℃：5.1μm/(m·K)
Coefficient of Thermal Expansion 20~4500℃：5.2μm/(m·K)
Electrical Conductivity: 16% IACS
Electrical Resist：0.10~0.12μΩ·m
Yield Strength (0.2% offset): 75.4~95.7KSI
Tensile Strength: 100~120 KSI
Elongation: 2~6%
Hardness：315~340HV10
Modulus of Elasticity：340~440GPa
Magnetic Properties: Slightly Magnetic
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