本标准规定了锻铝和锻铝合金、铸件和铸锭形式的铝和铝合金以及生产铝和铝合金锻制品和铝合金铸件所用的回火的命名系统。

This standard provides systems for designating wrought aluminum and wrought aluminum alloys, aluminum and aluminum alloys in the form of castings and foundry ingot, and the tempers in which aluminum and aluminum alloy wrought products and aluminum alloy castings are produced.