Manganese

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Description

Pure manganese is a hard, brittle, silvery coloured, metallic element which exists in three polymorphic forms (alpha, beta and gamma) and has a complicated crystal structure. It resembles iron in being moderatly reactive and dissolving in cold, dilute non-oxidising acids.


When exposed to air, manganese forms an extremely stable oxide coating which is not easily reduced. Pure manganese is ferromagnetic after processing.

This material data has been provided by Matmatch.

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

7.4 g/cm³

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Mechanical

PropertyTemperatureValue

Bulk Modulus

23.0 °C

118 GPa

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Elastic modulus

23.0 °C

191 GPa

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Hardness, Mohs

23.0 °C

5 [-]

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Poisson's ratio

23.0 °C

0.24 [-]

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Thermal

PropertyTemperatureValue

Boiling point

1962 °C

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Coefficient of thermal expansion

100.0 °C

2.3E-5 1/K

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Latent heat of evaporation

4207 J/g

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Latent heat of fusion

267 J/g

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Melting point

1244 °C

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Specific heat capacity

25.0 °C

477 J/(kg·K)

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Thermal conductivity

100.0 °C

7.81 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

1.6E-6 Ω·m

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Technological properties

Property
Other

Polycrystalline