92.5W-5.25Ni-2.25Fe tungsten alloy ball has high density, high melting point, wear resistance, high tensile strength, low vapor pressure, excellent thermal stability. It is applied for flowmeters, paint sprayers, bearings, pumps, ballpoint pens and many other instruments.
The properties of 92.5W-5.25Ni-2.25Fe tungsten alloy ball are:
Alloy Type（%）：92.5W、5.25Ni、2.25Fe
MIL-T-21014: Class 1
SAE-AMS-T-21014: Class 2
AMS 7725 C: NIL
ASTM B777-87: Class 2
Density: 17.5 g/cc and 0.632 lbs/ in3
Hardness Rockwell: 26 C
Ultimate Tensile Strength Min: 114,000 ksi
Yield Strength Min (0.2% offset): 84,000 ksi
Elongation: 7% in 1"
Proportional Elastic Limit: 46,000PSI
Modules of Elasticity: 47 x 106 PSI
Coefficient of Thermal Expansion: 4.62 X 10-6/°C (20~400°C)
Thermal Conductivity: 0.2 CGS Units
Electrical Conductivity: 13 % IACS
Magnetic Properties: Slightly Magnetic
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