Beryllium

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Description

Four times lighter than steel and yet about a third stronger, beryllium is a lighter option than aluminium as a structural material in spacecraft and high-speed missiles. It counts among its more remarkable properties a low neutron absorption cross-section, which makes this metal useful as a moderator or reflector in nuclear reactors. Its ability to slow neutrons down is only comparable to its inability to stop x-rays, which is why beryllium is the material of choice for the construction of windows in x-ray tubes. However, beryllium is considered a carcinogen, which can affect people via breathing, eye contact, or broken skin contact. That's why it is advised to reduce exposure to beryllium as much as possible.

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

20.0 °C

1.85 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

287 GPa

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Hardness, Brinell

20.0 °C

600 [-]

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Poisson's ratio

20.0 °C

0.03 [-]

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Tensile strength

20.0 °C

370 MPa

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Thermal

PropertyTemperatureValue

Melting point

1287 °C

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Specific heat capacity

20.0 °C

1820 J/(kg·K)

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Thermal conductivity

20.0 °C

190 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

4E-8 Ω·m

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