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Formula: Re
Form: Pellet/Lump
Material: Rhenium
CAS Number: 7440-15-5
Commodity: Metals
Purity: 99.99%
Maximum Lump Size: 15mm
These rhenium pellets from Goodfellow offer high-temperature strength, excellent wear resistance, and good ductility. The addition of rhenium to superalloys improves creep strength and oxidation resistance. Rhenium pellets can be used in turbine engine components and rocket thrusters due to their ability to withstand extreme heat and pressure. Goodfellow carries a range of rhenium pellets ideal for research and development of advanced aerospace and industrial applications.
Technical Data Sheet Safety Data Sheet Tolerance Properties
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Tolerances

Pellet/Lump
Maximum Lump Size Nominal

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 75
Crystal structure Hexagonal close packed
Electronic structure Xe 4f¹⁴ 5d⁵ 6s²
Valences shown -1,1,2,3,4,5,6,7
Atomic weight( amu ) 186.207
Thermal neutron absorption cross-section( Barns ) 85
Photo-electric work function( eV ) 5
Natural isotope distribution( Mass No./% ) 187/ 62.6
Natural isotope distribution( Mass No./% ) 185/ 37.4
Atomic radius - Goldschmidt( nm ) 0.138
Ionisation potential( No./eV ) 1/ 7.87
Ionisation potential( No./eV ) 2/ 16.6
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.26
Poisson's ratio 0.26
Bulk modulus( GPa ) 334
Bulk modulus( GPa ) 334
Tensile modulus( GPa ) 466
Tensile modulus( GPa ) 466
Hardness - Vickers( kgf mm⁻² ) 280
Hardness - Vickers( kgf mm⁻² ) 700
Tensile strength( MPa ) 2225
Tensile strength( MPa ) 1125
Yield strength( MPa ) 315
Yield strength( MPa ) 2150
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 18.7@20@20°C
Superconductivity critical temperature( K ) 1.7
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Physical Properties
Element Value
Boiling point( C ) 5627
Density( gcm⁻³ ) 21@20
Thermal Properties
Element Value
Melting point( C ) 3180
Latent heat of evaporation( J g⁻¹ ) 3824
Latent heat of fusion( J g⁻¹ ) 179.9
Specific heat( J K⁻¹ kg⁻¹ ) 138@25
Thermal conductivity( W m⁻¹ K⁻¹ ) 48@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.6@0-100°C

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