IMPALCO 740 is a heat treatable, high strength aluminum alloy available in bat form for machining applications. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-124. Producer or source: Imperial Aluminium Company Ltd.