Material Properties Magnesium Alloy AZ63 T4 Temper admin May 20, 2016 Material Properties for Magnesium Alloy AZ63 T4 Temper Physical specifications of materials. Materials Magnesium Alloy AZ63 Description T4 Temper Density g/cc 1.83 lb/in^3 0.0661 Hardness Brinell unless specified 55 Tensile Strength ultimate Mpa 275 Ksi 39.875 Yield Strength MPa 97 Ksi 14.065 Modulus of Elasticity Gpa 45 10^6 Psi 6.52173912 Poisson’s Ratio 0.35 %Elongation at break 12 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 52.2 Btu/ft-h-F 30.1734104004 Specific Heat Cpacity J/g-K 1.05 Btu/lb-F 0.252 Coefficient of thermal expansion 1E-6/K 26.1 1E-6/F 14.5218044997 Electrical Resistivity Ohm-cm 0.000014