Aluminum A-140 is a non-heat treatable casting alloy having high tensile and fatigue strength at elevated temperatures to 600 F. It is recommended for engine cylinder heads, aircraft and missile components. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive strength. It also includes information on high temperature performance as well as casting, heat treating, machining, and joining. Filing Code: Al-187. Producer or source: Aluminum Company of America.