97W-2Ni-1Fe tungsten alloy ball guarantees excellent wringing characteristics and high wear resistance.It is used in applications where extreme hardness and resistance to wear, abrasion, collision and deformation are required.
The properties of 97W-2Ni-1Fe tungsten alloy ball are:
Alloy Type:W 97%、Ni 2%、Fe 1%
MIL-T-21014: Class 4
SAE-AMS-T-21014: Class 4
AMS 7725 C: NIL
ASTM B777-87: Class 4
Nominal Density: 18.25~18.85 g/cc
Nominal Density: 0.668 lbs/ in3
Hardness Rockwell: 30 C
Ultimate Tensile Strength Min: 100,000 psi
Yield Strength Min (0.2% offset): 75,000 psi
Magnetic Properties: Slightly Magnetic
More details, please visit:
http://www.tungsten-alloy.com/tungsten-alloy-ball.html