97W-2.1Ni-0.9Fe tungsten alloy ball has high density, excellent formability and machinability, outstanding corrosion resistance, high modulus of elasticity, impressive thermal conductivity and low thermal expansion. It is used in some fields need the little but heavy parts, such as the counterweights of golf club, pinewood derby car, aircraft, helicopter, vehicle, boat and yacht.
The properties of 97W-2.1Ni-0.9Fe tungsten alloy ball are:
Nominal W Content: 97 wt.%
Nominal Nickel Content: 2.1 wt.%
Nominal Iron Content: 0.9 wt.%
MIL-T-21014: Class 4
SAE-AMS-T-21014: Class 4
AMS 7725 B: NIL
ASTM B777-87: Class 4
Minimum Density: 18.25 g/cc
Typical Hardness: 30HRC
Modulus of Elasticity: 52x106 psi
Ultimate Tensile Strength Min.:110ksi
Yield Strength Min (0.2% offset): 80ksi
Minimum Elongation (1” Gauge Length): 2%
Magnetic Properties: Slightly Magnetic
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