92.5W-Ni-Fe-Mo tungsten alloy ball remains last for long owing to some appreciable properties such as high resistance against corrosion, machinability, mechanical strength etc. It is known for high density, due to which it is widely used as an ideal counterweight for high speed vehicles, aircraft.
The properties of 92.5W-Ni-Fe-Mo tungsten alloy ball are:
Alloy Type(%):92.5W、Balance Ni、Fe、Mo
MIL-T-21014: NIL
SAE-AMS-T-21014: NIL
AMS 7725 C: NIL
ASTM B777-87: NIL
Density: 17 .6 g/cc and 0.636 lbs/ in3
Hardness Rockwell: 30 C
Ultimate Tensile Strength Min: 120,000 ksi
Yield Strength Min (0.2% offset): 90,000 ksi
Elongation: 4% in 1"
Proportional Elastic Limit: 55,000PSI
Modules of Elasticity: 52 x 106 PSI
Coefficient of Thermal Expansion: 4.5 X 10-6/°C (20~400°C)
Thermal Conductivity: 0.27 CGS Units
Electrical Conductivity: 14 % IACS
Magnetic Properties: Slightly Magnetic
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