Kaiser Aluminum Alloy 2219 has good machinability and good mechanical properties. The alloy is typically used in high-temperature structural applications and is also used in high-strength weldments where postweld heat treatment can be employed. This datasheet provides information on composition, physical properties, hardness, and tensile properties as well as fatigue. It also includes information on corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: AL-358. Producer or source: Tennalum, A Division of Kaiser Aluminum.