Material Properties Aluminum Alloy 6061 T4 Temper admin May 20, 2016 Material Properties for Aluminum Alloy 6061 T4 Temper Physical specifications of materials. Materials Aluminum Alloy 6061 Description T4 Temper Density g/cc 2.7 lb/in^3 0.0975 Hardness Brinell unless specified 65 Tensile Strength ultimate Mpa 241 Ksi 34.945 Yield Strength MPa 145 Ksi 21.025 Modulus of Elasticity Gpa 69 10^6 Psi 9.999999984 Poisson’s Ratio 0.33 %Elongation at break 22 %Reduction of area Izod Impact J Ft-lb Fracture Toughness Mpa(m)^0.5 Ksi(in)^0.5 Thermal conductivity W/m-K 154 Btu/ft-h-F 89.017341028 Specific Heat Cpacity J/g-K 0.896 Btu/lb-F 0.21504 Coefficient of thermal expansion 1E-6/K 23.6 1E-6/F 13.1308270572 Electrical Resistivity Ohm-cm 0.00000432