Strong Cast Alnico Pot Magnet Alnico magnets are made up of an alloy of Aluminum(Al), Nickel(Ni) and Cobalt(Co) and other small amounts of elements, in order to enhance the properties of the magnet.Benificial characteristics of Alnico magnets include their high corrosion resistance, high merchanicial strength and very high working temperature.Drawbacks include their high cost, low coercive force and low energy product.Alnico magnets have been replaced in many applications by ceramic and r