Material Properties Magnesium Alloy AZ91E T6 Temper admin May 20, 2016 Material Properties for Magnesium Alloy AZ91E T6 Temper Physical specifications of materials. Materials Magnesium Alloy AZ91E Description T6 Temper Density g/cc 1.81 lb/in^3 0.0654 Hardness Brinell unless specified 70 Tensile Strength ultimate Mpa 275 Ksi 39.875 Yield Strength MPa 145 Ksi 21.025 Modulus of Elasticity Gpa 45 10^6 Psi 6.52173912 Poisson’s Ratio 0.35 %Elongation at break 6 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 72.7 Btu/ft-h-F 42.0231213814 Specific Heat Cpacity J/g-K 1.047 Btu/lb-F 0.25128 Coefficient of thermal expansion 1E-6/K 26 1E-6/F 14.466165402 Electrical Resistivity Ohm-cm 0.0000129