Tungsten

Tungsten: physical properties

Temperatures

• Melting point: 3695 [or 3422 °C (6192 °F)] K
• Boiling point: 5828 [or 5555 °C (10031 °F)] K (liquid range: 2133  K
• Critical temperature: no data  K
• Superconduction temperature: 0.015 [or -273.135 °C (-459.64 °F)] K

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Expansion and conduction properties

• Thermal conductivity: 170  W m^-1 K^-1
• Coefficient of linear thermal expansion: 4.5  x 10^-6 K^-1

Bulk properties

• Density of solid: 19250  kg m^-3
• Molar volume: 9.47  cm³
• Velocity of sound: 5174  m s^-1

Elastic properties

• Youngs modulus: 411  GPa
• Rigidity modulus: 161  GPa
• Bulk modulus: 310  GPa
• Poissons ratio: 0.28  (no units)

Hardnesses

• Mineral hardness: 7.5  (no units)
• Brinell hardness: 2570  MN m^-2
• Vickers hardness: 3430  MN m^-2

Electrical properties

• Electrical resistivity: 5  10^-8 Ω m; or mΩ cm

Optical properties

The image above is a virtual representation of tungsten metal calculated by Patrick Callet using the complex diectric function of the element only.

• Reflectivity: 62  %
• Refractive index: no data  (no units)

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Tungsten	Tungstène
Wolfram	Wolfraam
Tungsteno (wolframio)	Wolframio
Volfram	Tungstênio