ASTM B777-15 class4 tungsten alloy bar has high melting point, low thermal expansion, high electrical resistance, and good thermal conductivity. It is suitable for high temperature uses, which includes electrical, heating, and welding applications.
The properties of ASTM B777-15 class4 tungsten alloy bar are:
Matrix: 97% W
Density: 18.25~18.85g/cc
Hardness Rockwell Max: 35HRC
Standard Alloy
Ultimate Tensile Strength: 100 KSI and 689 MPa
Yield Strength (0.2% offset): 75 KSI and 517 MPa
Elongation: 2%
Nonmagnetic Alloy
Ultimate Tensile Strength: NA
Yield Strength (0.2% offset): NA
Elongation: NA
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