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What is a nickel coin made of? A: Today, the United States nickel coin is made of a 100 percent copper center, with a surface made of 25% nickel and 75% copper. But this wasn't always the case. In the past, the nickel was called a half disme and was made from silver. Disme is pronounced the same way as the word dime.
Because Nickel (Ni) is ferromagnetic it is used in making Alnico magnets (consisting of aluminium, nickel, and cobalt). Note that the U.S. five cent coin called a âNickelâ is made of 75% copper and 25% Nickel (Ni). Even though it contains Nickel (Ni), a ferromagnetic material, they arenât visibly attracted to magnets.In fact, they donât interact with magnets like many other non-magnetic materials.