Samarium Cobalt (SmCo) Disc and Rod Magnets are extremely good performers.
Standard SmCo has a maximum operating temperature of up to +300 °C.
Minimum operating for SmCo is temperatures down to nearing -273 °C (cryogenic temperatures).
SmCo has extremely good temperature coefficients, only beaten by Alnico.
SmCo has very low variation in magnetic output with reasonable temperature change.
Sm1Co5 is regarded as corrosion resistant to water.
Sm2Co17 is regarded as having extremely good corrosion resistance.
SmCo can be nickel plated – this allows use for soldering to electrical circuits and also for maximum corrosion resistance for the Sm2Co17 alloys.
We can produce Samarium Cobalt discs and rods to any grade with a custom range of sizes, shapes and coating options. SmCo26 and SmCo26H are very popular grades (the H versions being capable of use at temperatures up to +350 degrees C).
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