Density2.73 g/cm3 (170 lb/ft3)Elastic (Young's,Website:http://www.al-plate.com, Tensile) Modulus69 GPa (10 x 106 psi)Electrical Conductivity42 % IACSElongation at Break28 %Melting Onset (Solidus)643 °C (1190 °F)Shear Modulus26 GPa (3.8 106 psi)Specific Heat Capacity890 J/kg-KStrength to Weight Ratio40 kN-m/kgTensile Strength: Ultimate (UTS)110 MPa (16 x 103 psi)Tensile Strength: Yield (Proof)60 MPa (8.7 x 103 psi)Thermal Conductivity160 W/m-KThermal Diffusivity66Thermal Expansion23.2 µm/m-K