自2007年3月起，SAE航空航天材料部已宣布本规范“取消”。通过这一行动，本文件将保留在航空航天材料规范索引的数字部分，表明其已被“取消”。以下规范涵盖了类似但不一定完全相同的产品。但是，本规范仅供参考，不构成用本规范代替“已取消”规范的权力。SAE AMS 7881烧结碳化钨钴粉末。

This specification has been declared "CANCELLED" by the Aerospace Materials Division, SAE, as of March 2007. By this action, this document will remain listed in the Numercial Section of the Index of Aerospace Material Specifications indicating that it has been "CANCELLED".Similar but not necessarily identical product is covered in the following specification. However, this is provided for information only and does not constitute authority to substitute this specification for the "CANCELLED" specificaiton. SAE AMS 7881 Tungsten Carbide-Cobalt Powder Agglomerated and Sintered.