ASTM B777-15 class4 tungsten alloy ball has many special properties such as high density, good wear resistance, excellent thermal stability and high radiation absorption capacity. It is used in the making of valves, flowmeters, ball screws and linear bearings too.
The properties of ASTM B777-15 class4 tungsten alloy ball are:
Matrix: 97% W
Density: 18.25~18.85g/cc
Hardness Rockwell Max: 35HRC
Standard Alloy
Ultimate Tensile Strength: 100 KSI and 689 MPa
Yield Strength (0.2% offset): 75 KSI and 517 MPa
Elongation: 2%
Nonmagnetic Alloy
Ultimate Tensile Strength: NA
Yield Strength (0.2% offset): NA
Elongation: NA
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