Magnesium

Magnesium: physical properties

Temperatures

• Melting point: 923 [or 650 °C (1202 °F)] K
• Boiling point: 1363 [or 1090 °C (1994 °F)] K (liquid range: 440  K
• Critical temperature: no data  K
• Superconduction temperature: no data  K

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Expansion and conduction properties

• Thermal conductivity: 160  W m^-1 K^-1
• Coefficient of linear thermal expansion: 8.2  x 10^-6 K^-1

Bulk properties

• Density of solid: 1738  kg m^-3
• Molar volume: 14.00  cm³
• Velocity of sound: 4602  m s^-1

Elastic properties

• Youngs modulus: 45  GPa
• Rigidity modulus: 17  GPa
• Bulk modulus: 45  GPa
• Poissons ratio: 0.29  (no units)

Hardnesses

• Mineral hardness: 2.5  (no units)
• Brinell hardness: 260  MN m^-2
• Vickers hardness: no data  MN m^-2

Electrical properties

• Electrical resistivity: 4.4  10^-8 Ω m; or mΩ cm

Optical properties

• Reflectivity: 74  %
• Refractive index: no data  (no units)

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Magnesium	Magnésium
Magnesium	Magnesium
Magnesio	Magnesio
Magnesium	Magnésio