Density2.78 g/cm3 (174 lb/ft3)Elastic (Young's, Tensile) Modulus71 GPa (10 x 106 psi)Electrical Conductivity38 % IACSElongation at Break15 %Melting Onset (Solidus)607 °C (1120 °F)Shear Modulus27 GPa (3.9 106 psi)Shear Strength221 MPa (32 x 103 psi)Specific Heat Capacity880 J/kg-KStrength to Weight Ratio144 kN-m/kgTensile Strength: Ultimate (UTS)400 MPa (58 x 103 psi)Tensile Strength: Yield (Proof)345 MPa (50 x 103 psi)Thermal Conductivity150 W/m-KThermal Diffusivity61Thermal Expansion23 µm/m-K