Density2.70 g/cm3 (169 lb/ft3)Elastic (Young's, Tensile) Modulus71 GPa (10 x 106 psi)Electrical Conductivity48 to 54 % IACSElongation at Break12 to 27 %Melting Onset (Solidus)610 °C (1130 °F)Shear Modulus26 GPa (3.8 106 psi)Specific Heat Capacity900 J/kg-KStrength to Weight Ratio78 to 104 kN-m/kgTensile Strength: Ultimate (UTS)210 to 280 MPa (30 to 41 x 103 psi)Tensile Strength: Yield (Proof)110 to 220 MPa (16 to 32 x 103 psi)Thermal Conductivity190 to 210 W/m-KThermal Diffusivity78 to 86Thermal Expansion23.4 µm/m-K