自2007年6月起，SAE航空航天材料部已宣布本规范“取消”。通过这一行动，本文件仍将列在航空航天材料规范索引的数字部分，表明其已被“取消”。本规范涵盖了用于轴承应用的飞机质量高碳铬合金钢筋的要求。

This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of June 2007. By this action, this document will remain listed in the Numerical Section of the Index of Aerospace Material Specifications indicated that it has been "CANCELLED".This specification covers the requirements for high-carbon chromium alloy steel bars of aircraft quality, for bearing applications.