Tungsten (W) Specifications

Material Type        Tungsten
Symbol        W
Atomic Weight        183.84
Atomic Number        74
Color/Appearance        Grayish White, Lustrous, Metallic
Thermal Conductivity        174 W/m.K
Melting Point (°C)        3,410
Coefficient of Thermal Expansion        4.5 x 10-6/K
Theoretical Density (g/cc)        19.25
Z Ratio        0.163
Sputter        DC
Max Power Density
(Watts/Square Inch)        100*
Type of Bond        Indium, Elastomer
Comments        Forms volatile oxides. Films hard and adherent.