BA.704 is a heat treatable aluminum extrusion alloy having high tensile and fatigue strengths. It is recommended for aircraft components, gears, fittings and machinery parts. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Al-164. Producer or source: The British Aluminium Company Ltd.