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SAE AMS7510/2 Revision B, September 1, 2006
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Magnets, Rare-Earth/Cobalt, Permanent Samarium-Cobalt, 33/67 - 18 (143) 250
Includes all amendments and changes through Reaffirmation Notice , February 2012
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AIA/NAS Aerospace Standards

This specification covers one type of samarium-cobalt permanent magnets.


This product has been used typically for components of electrical, electronic, and magnetic devices requiring an energy level of 18 MGOe (143 kT·A/m) for use at service temperatures up to 250 °C, but usage is not limited to such applications.


Nominal composition of 33% samarium and 67% cobalt with an energy level of 18 MGOe (143 kT·A/m) with 250 °C maximum service rating.