ASTM B777-15 class2 tungsten alloy bar has the highest melting point of the refractory metals, high density, strong corrosion resistance, and low coefficient of thermal expansion. It is widely used in vacuum coating, heat insulation screen, and electric vacuum stove electrode.
The properties of ASTM B777-15 class2 tungsten alloy bar are:
Matrix: 92.5% W
Density: 17.15~17.85g/cc
Hardness Rockwell Max: 33HRC
Standard Alloy
Ultimate Tensile Strength: 110 KSI and 758 MPa
Yield Strength (0.2% offset): 75 KSI and 517 MPa
Elongation: 5%
Nonmagnetic Alloy
Ultimate Tensile Strength: 94 KSI and 648 MPa
Yield Strength (0.2% offset): 75 KSI and 517 MPa
Elongation: 2%
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