Physical PropertiesMetricEnglishCommentsDensity2.77 g/cc0.100 lb/in³AA; TypicalMechanical PropertiesMetricEnglishCommentsHardness, Brinell115115500 kg load with 10 mm ball. Calculated value.Hardness, Knoop141141Converted from Brinell Hardness ValueHardness, Rockwell A43.643.6Converted from Brinell Hardness ValueHardness, Rockwell B7171Converted from Brinell Hardness ValueHardness, Vickers128128Converted from Brinell Hardness ValueTensile Strength, Ultimate430 MPa62400 psiTensile Strength, Yield380 MPa55100 psiElongation at Break15 %      @Thickness 1.60 mm15 %      @Thickness 0.0630 inIn 5 cmModulus of Elasticity72.0 GPa10400 ksiAverage of Tension and Compression. In Aluminum alloys, the compressive modulus is typically 2% greater than the tensile modulus. Estimated from trends in similar Al alloys.Poissons Ratio0.330.33Estimated from trends in similar Al alloys.Shear Modulus27.0 GPa3920 ksiEstimated from similar Al alloys.Shear Strength260 MPa37700 psiCalculated value.Electrical PropertiesMetricEnglishCommentsElectrical Resistivity0.00000460 ohm-cm0.00000460 ohm-cmEstimated from trends in similar Al alloys.