China Neodymium And Ferrite Magnets Manufacturer & Supplier 
When choosing magnets, many customers tend to focus on magnetic strength but rarely pay attention to the Curie temperature. In fact, for magnets used in high-temperature environments, the Curie temperature is a very important parameter. So, which magnetic material has the highest Curie temperature?
Among permanent magnet materials, aluminium-nickel-cobalt (AlNiCo) magnets have always been a key choice for high-temperature applications due to their high Curie temperature and excellent high-temperature resistance.
Which Magnet Material Has the Highest Curie Temperature?
The Curie temperature of aluminium-nickel-cobalt magnets generally ranges from 750°C to 860°C, which is significantly higher than that of neodymium-iron-boron magnets (approximately 310°C to 350°C) and also higher than that of sintered ferrite magnets (approximately 450°C). Consequently, AlNiCo magnets are able to maintain stable magnetic properties at higher temperatures and are widely used in automotive sensors, aerospace, instrumentation, electric motors, generators, ignition systems and various high-temperature detection devices.
If your product is required to operate in high-temperature environments over the long term, it is not sufficient to simply compare the strength of the magnetic field; you must also take into account factors such as the Curie temperature, maximum operating temperature, coercivity and the stability of magnetic properties. Selecting the appropriate magnetic material based on specific application requirements is essential to strike a balance between performance, service life and cost.
Other high Curie temperature magnets;