Pure Molybdenum (Mo)

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Description

With its unique mechanical and chemical properties, molybdenum is an outstanding material that can meet the most exacting requirements. Because molybdenum possesses a very high melting point, a low coefficient of thermal expansion and a high level of thermal conductivity, it is used in many different industries. Molybdenum is a genuine all-rounder.

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

10.2 g/cm³

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Molar mass

95.94 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

320 GPa

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Hardness, Vickers, 10

23.0 °C

160 - 180 [-]

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recrystallized

Poisson's ratio

23.0 °C

0.31 [-]

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Thermal

PropertyTemperatureValue

Boiling point

4639 °C

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Coefficient of thermal expansion

23.0 °C

5.2E-6 1/K

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Melting point

2620 °C

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Specific heat capacity

23.0 °C

254 J/(kg·K)

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Thermal conductivity

23.0 °C

142 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical conductivity

23.0 °C

1.79E+7 S/m

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Electrical resistivity

23.0 °C

5.6E-8 Ω·m

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Electron work function

23.0 °C

4.39 eV

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Acoustical

PropertyTemperatureValue

Sound speed, longitudinal

23.0 °C

6250 m/s

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Sound speed, transversal

23.0 °C

3350 m/s

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Chemical properties

PropertyValue

Aluminium

1E-4 %

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Cadmium

1E-4 %

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Carbon

1.3E-3 %

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Chromium

3E-4 %

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Copper

2E-4 %

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Iron

5E-4 %

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Molybdenum

99.97 %

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Nickel

1E-4 %

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Nitrogen

5E-4 %

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Oxygen

6E-4 %

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Potassium

6E-4 %

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Silicon

2E-4 %

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Tungsten

0.02 %

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Technological properties

Property
Application areas

Molybdenum can be used, for example, to produce ribbons and wires for the lighting industry, semiconductor base plates for power electronics, glass melting electrodes, hot zones for high-temperature furnaces and sputtering targets for coating solar cells and flat screens.