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Pure Tungsten (W)
Description
Tungsten has the highest melting point of all metals and is therefore also suitable for very high-temperature applications. It is also characterized by a uniquely low coefficient of thermal expansion and a very high level of dimensional stability.
Properties
Acoustical
Sound speed, longitudinal clong
5180 m/s at 20 °C
Sound speed, transversal ctrans
2870 m/s at 20 °C
Electrical
Electrical conductivity σel
1.80E+7 S/m at 20 °C
Electrical resistivity ρel
5E-8 Ω·m at 20 °C
Electron work function We
4.54 eV at 20 °C
General
Density ρ
19.3 g/cm³ at 20 °C
Molar mass M
183.85 g/mol
Neutron capture cross-section σN
0 m² at 20 °C
Mechanical
Elastic modulus E
405 GPa at 20 °C
Hardness, Vickers, 30 HV 30
360 [-] at 20 °C
recrystallized
Poisson's ratio ν
0.28 [-] at 20 °C
Thermal
Melting point Tm
3420 °C
Specific heat capacity cp
130 J/(kg·K) at 20 °C
Thermal conductivity λ
164 W/(m·K) at 20 °C
Chemical properties
Element
Weight %
Comment
99.97 %
1.2000000000000001E-3 %
8E-4 %
6.000000000000001E-4 %
3.0000000000000003E-4 %
Technological properties
Application areas
For example, this material can be used to manufacture high-temperature furnace components, lamp components and components for use in the fields of medical and thin-film technology.
This material data has been provided by Plansee.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.
