The main raw materials for AlNiCo magnets are iron, aluminum (~ 9%), nickel (~ 13%) and cobalt (~ 24%).

Various other elements are also mixed in. There are two production processes: casting or sintering. They are also available as plastic bonded magnets.

The finished magnet is very hard and can only be processed with diamond tools or by eroding. AlNiCo magnets are characterized by good corrosion resistance. They have a very low (negative) temperature coefficient and can be used at temperatures from -250 to + 500 ° C.

The remanence of AlNiCo magnets is, depending on the alloy, between approx. 0.70 Tesla and 1.2 Tesla. At 50 - 150 kA / m, the coercive field strength is about a factor of 10 smaller than that of NdFeB magnets.