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.

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.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

19.3 g/cm³

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Molar mass

183.85 g/mol

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Neutron capture cross-section

23.0 °C

0 m²

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

405 GPa

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Hardness, Vickers, 30

23.0 °C

360 [-]

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recrystallized

Poisson's ratio

23.0 °C

0.28 [-]

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Thermal

PropertyTemperatureValue

Melting point

3420 °C

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Specific heat capacity

23.0 °C

130 J/(kg·K)

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Thermal conductivity

23.0 °C

164 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

1.80E+7 S/m

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Electrical resistivity

23.0 °C

5E-8 Ω·m

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Electron work function

23.0 °C

4.54 eV

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Acoustical

PropertyTemperatureValue

Sound speed, longitudinal

23.0 °C

5180 m/s

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Sound speed, transversal

23.0 °C

2870 m/s

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Chemical properties

PropertyValue

Aluminium

1E-4 %

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Cadmium

1E-4 %

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Carbon

6E-4 %

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Chromium

3E-4 %

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Copper

1E-4 %

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Iron

8E-4 %

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Lead

1E-4 %

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Molybdenum

1.2E-3 %

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Nickel

2E-4 %

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Nitrogen

1E-4 %

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Oxygen

2E-4 %

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Potassium

1E-4 %

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Silicon

1E-4 %

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Tungsten

99.97 %

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Technological properties

Property
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.