ASTM B777-15 class4 tungsten alloy tube has good thermal conductivity, low thermal expansion coefficient, high temperature strength, low vapor pressure and excellent wear resistance and other characteristics. It is an important material for electronic power equipment manufacturing, metal materials processing, glass manufacturing, high temperature furnace structural component manufacturing, aerospace and defense industry applications.
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The properties of ASTM B777-15 class4 tungsten alloy tube 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
