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Different types of magnets and their properties
Published: 2025-10-09 13:14:02 • Daniel Gårdefelt
To the untrained eye, a magnet is just that – a magnet. It may not be obvious whether a magnet is a material in itself or a collective term for several different materials with similar properties. However, for those of us who work with magnets (and probably some others), it is obvious that there are many different magnets, all with different properties and qualities.
HYAB Magneter currently offers components made from a number of different magnetic materials. Out of these, we will go through the four most common among our customers and their respective properties.
Our best-selling magnetic material. Neodymium is the strongest magnetic material and is therefore sometimes called a ‘super magnet’. Recently, variants have also become available that can withstand higher temperatures than before. The disadvantage of neodymium is its sensitivity to moisture and other outdoor environments. However, this can be partially prevented with surface coatings.
Ferrite is the world's most manufactured magnet and one of the most durable magnetic materials, as it basically does not corrode even under harsh conditions and since it can withstand high temperatures. However, ferrite is the weakest magnet, which also means that it is a cheaper alternative to equivalent materials.
A high-performance magnet type that can withstand high temperatures as well as perform better than neodymium at extremely high temperatures. Due to these properties, they are commonly found in demanding and high-performance environments, such as in motors and medical equipment, but they are also one of the more expensive magnetic materials.
Alnico is an aluminum-nickel-cobalt mixture characterized by high temperature resistance, durability in demanding environments and a lower price than samarium-cobalt (due to the smaller amount of cobalt). In addition, Alnico has high remanence, meaning that it maintains the strength of the magnetic field regardless of external factors, making it suitable for sensitive measuring instruments, for example. The disadvantage is that it has weaker strength than other types of similar magnets.
Would you like to know more about different magnets, or do you need help identifying the most suitable magnet for your project? Contact us on +46 8 26 10 80 or [email protected] and we will advise you on the best solution.
