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Pure Tungsten (W)

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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

W

99.97 %

Mo

1.2000000000000001E-3 %

Fe

8E-4 %

C

6.000000000000001E-4 %

Cr

3.0000000000000003E-4 %

More

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.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
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.