ASTM B777-99 class3 tungsten alloy bar has very good mechanical strength, small coefficient of thermal conductivity, large expansion coefficient and elastic coefficient. It plays very important role in manufacturing of collimator for nuclear medicine, nuclear research, geological prospecting and security inspection.
The properties of ASTM B777-99 class3 tungsten alloy bar are:
ASTM B777-99: class3
Matrix: 95%
Density:17.75~18.35g/cc
Hardness Rockwell Max: 34HRC
Ultimate Tensile Strength: 105 KSI and 724MPa
Yield Strength (0.2% offset): 75KSI and517MPa
Elongation: 3%
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