本规范规定了用于制造成品零件的任何形状或形式的2xxx系列和7xxx系列铝合金锻件的要求。（见8.2、8.3、8.4、8.5.4、8.6和8.8。）

This specification establishes requirements for 2xxx-series and 7xxx-series aluminum alloy forgings of any shape or form from which finished parts are to be made. (See 8.2, 8.3, 8.4, 8.5.4, 8.6 and 8.8.)