
90W-7.1Ni-2.9Fe tungsten alloy ball has perfect wearing resistance, high ultimate tensile strength, heat resistant & good thermal stability. It is used where extreme hardness and wear resistance is required; in such applications as bearings, ball screws, valves and flowmeters. The properties of 90W-7.1Ni-2.9Fe tungsten alloy ball are: Nominal W Content: 90 wt.% Nominal Nickel Content: 7.1 wt.% Nominal Iron Content: 2.9 wt.% MIL-T-21014: Class 1 SAE-AMS-T-21014: Class 1 AMS 7725 B: 7725 B ASTM B777-87: Class 1 Minimum Density: 16.85…