Properties of EC-O Aluminium at 20°C, Weight....30% of equivalent copper, Conductivity....61.8% of equivalent copper, Tensile strength (approximate)....Annealed-13,000 psi / Hard-24,000psi Chemical composition / min.% base metal....99.45%IACS volume conductivity....62%, Resistivity....16.782 ohm-circular mil foot(cmf), Approximate density....0.098 lbs/cubic inch, Coefficient of electrical resistivity per °C....0.0041