Frontier 40-E aluminum alloy is a high strength natural aging aluminum-zinc-magnesium-chromium-titanium alloy. It requires no heat treatment to develop high strength, has high shock resistance, exceptional corrosion resistance, high yield strength, excellent machinability, and pressure tightness. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive and shear strength as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: Al-2. Producer or source: Frontier Bronze Corporation.