The (BH)max between 20-32, the maximum operating temperature can be reached 350 °C, the 2:17 has a low temperature coefficient (-0.02% / ℃) and good corrosion resistance, magnetic properties is more than NdFeB magnets when in high working temperatures,
Sm2co17: not only has a high intrinsic saturation magnetic induction, but also good anti-oxidation.
The Curie temperature is high to 840-870 degrees, higher than Smco5.
The disadvantage is that the process is complex with high costs.