自1995年3月起，本规范已被SAE航空材料部“取消”。通过该行动，主题规范编号和标题将从航空航天材料规范的现行规范索引中删除。

This specification has been "CANCELLED" by the Aerospace Materials Division, SAE, as of March 1995. By this action, subject specification number and title will be deleted from the active specification index of Aerospace Material Specifications.