Alnico Magnets

Magnets for Industry & Industrial Sourcing
Alnico permanent magnets are very strong, but have a relatively small resistance against demagnetization. Until the advent of rare earth magnets, Alnico magnets were the strongest commercially available magnet.
Alnico alloys have some of the highest Curie temperatures of any magnetic material, around 800 °C although the maximum working temperature is normally limited to around 538 °C. They are the only magnets that have useful magnetism even when heated red-hot. They do not need to be coated.
Alnico magnets are widely used in industrial and consumer applications where strong permanent magnets are needed like electric motors, sensors, loudspeakers, electric guitar pickups, microphones, and more famously in cow magnets.
An Alnico magnet can come in a variety of shapes, including bar magnets and rod magnets and come in grades 2, 3, 5, 6, 5 – 7, 8 and 9. The Alnico 5 is the most popular alnico grade and it is also the most cost-efficient. The other grades of Alnico magnets can obtain the same energy level as the Alnico 5, but they are not as cost-efficient. If you are looking for where to buy strong magnets, contact Argus Magnetics for your magnet supply needs.
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