Material Properties Iridium May 20, 2016January 17, 2017 admin Material Properties for Iridium Physical specifications of materials. Materials Iridium Description Density g/cc 22.65 lb/in^3 0.818 Hardness Brinell unless specified 565 Tensile Strength ultimate Mpa 2000 Ksi 290 Yield Strength MPa Ksi Modulus of Elasticity Gpa 524 10^6 Psi 75.942028864 Poisson’s Ratio 0.26 %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 147 Btu/ft-h-F 84.971098254 Specific Heat Cpacity J/g-K 0.135 Btu/lb-F 0.0324 Coefficient of thermal expansion 1E-6/K 6.8 1E-6/F 3.7834586436 Electrical Resistivity Ohm-cm 0.0000047 Auto Amazon Links: No products found.Auto Amazon Links: No products found.