ASTM B777-99 class1 tungsten alloy ball has high melting point, perfect wearing resistance, heat resistant & good thermal stability. It is used in applications requiring extreme hardness and resistance to wear and abrasion; and is able to withstand hard shocks and impacts. Common applications include ball valves, flow meters, ball bearings, linear bearings, and ball screws.
The properties of ASTM B777-99 class1 tungsten alloy ball are:
ASTM B777-99: class1
Matrix: 90%
Density: 16.85~17.25g/cc
Hardness Rockwell Max: 32HRC
Ultimate Tensile Strength: 110 KSI and 758MPa
Yield Strength (0.2% offset): 75KSI and 517MPa
Elongation: 5%
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