Material Properties Rhenium admin May 20, 2016January 17, 2017 Material Properties for Rhenium Physical specifications of materials. Materials Rhenium Description Density g/cc 21.03 lb/in^3 0.76 Hardness Brinell unless specified 165 Tensile Strength ultimate Mpa 1070 Ksi 155.15 Yield Strength MPa 290 Ksi 42.05 Modulus of Elasticity Gpa 469 10^6 Psi 67.971014384 Poisson’s Ratio 0.296 %Elongation at break 20 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 39.6 Btu/ft-h-F 22.8901734072 Specific Heat Cpacity J/g-K 0.138 Btu/lb-F 0.03312 Coefficient of thermal expansion 1E-6/K 6.2 1E-6/F 3.4496240574 Electrical Resistivity Ohm-cm 0.000019