1145 Aluminium alloy is a nearly pure aluminium alloy with minor impurities like copper, manganese, magnesium, zinc, titanium, silicon and iron.
Chemical composition ElementContent (%)Aluminum99.45 (min)Copper0.05Manganese0.05Magnesium0.05Zinc0.05Titanium0.03Silicon, Si + Iron, FeRemainder
Physical properties PropertiesMetricDensity2.6-2.8 g/cm3Elastic modulus70-80 GPaPoisson's ratio0.33Thermal conductivity227 W/mK
References
Aluminium alloy table