1.1 This practice is intended for use in the heat treatment of wrought aluminum alloys for general purpose applications.1.1.1 The heat treatment of wrought aluminum alloys used in specific aerospace applications is covered in AMS 2772.1.1 This practice is intended for use in the heat treatment of wrought aluminum alloys for general purpose applications. Aluminum alloys are typically heated in air chamber furnaces or molten salt baths. Though lead baths, oil baths, or fluidized beds may