Form This specification covers one type of samarium-cobalt permanent magnet Application This product has been used typically for components of electrical@ electronic@ and magnetic devices requiring an energy level of 15 MGOe (119kT.A/m) for use at service temperatures up to 250 ?? but usage is not limited to such applications Classification Nominal composition of 33% samarium and 67% cobalt with an energy level of 15 MGOe (119 kT.A/m) with 250 ??maximum service rating