ASTM B777-99 class4 tungsten alloy plate has high melting point (3410°C), low thermal expansion, high electrical resistance, low vapour pressure, and good thermal conductivity. It can be used to make tungsten target, tungsten heat elements, tungsten radiation shields and tungsten channels for electronics, lightening, electron-vacuum industries.
The properties of ASTM B777-99 class4 tungsten alloy plate are:
ASTM B777-99: class4
Matrix: 97%
Density:18.25~18.85g/cc
Hardness Rockwell Max: 35HRC
Ultimate Tensile Strength: 100 KSI and 689MPa
Yield Strength (0.2% offset): 75KSI and 517MPa
Elongation: 2%
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