ASTM B777-99 class1 tungsten alloy plate has high heat resistance, high electrical and thermal conductivity, and low thermal expansion. It is used in a wide variety of applications including in the fabrication of sintering boats, as components in high temperature furnaces and as heat shields.
The properties of ASTM B777-99 class1 tungsten alloy plate are:
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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