eFunda: General Information on Element Rhenium
engineering fundamentals Element Information: Rhenium
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Rhenium
75
Re
186.207
Atomic Number 75
Atomic Weight 186.207
Electron Config. 2-2-6-2-6-10-2-6-10-14-2-6-5-0-2
Electron configuration order: 1s-2s-2p-3s-3p-3d-4s-4p-4d-4f-5s-5p-5d-5f-6s-6p-6d-7s

Mechanical Properties Conditions
Phase Temp. (K) Pressure (Pa)
Density 20800 kg/m3 Solid  298.15 
Modulus of Elasticity 461.949 GPa Solid  293.15   
Poisson Ratio 0.3 Solid     
Thermal Expansion Coefficient 6.200 /K Solid  298.15  

Electrical Properties Conditions
Temp. (K) Note
Electrical Resistivity 1.930 W-m 293.15  

Thermal Properties Conditions
Temp. (K) Pressure (Pa)
Melting Temperature 3459.15 K   101325 
Boiling Temperature 5869.15 K   101325 
Critical Temperature 18900 K    
Fusion Enthalpy 324.5 J/g 101325 
Heat Capacity 137 J/kg-K 298.149993896 100000 
Thermal Conductivity 47.9 W/m-K 300 101325 

 
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