
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% Chinatungsten Online has modern…