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<p>[QUOTE=&quot;JCro57, post: 3188458, member: 92083&quot;]Well, seems that the steel metal sheets were dipped in zinc (galvanized). But when punched out during blanking, the edges were bare steel leaving them susceptible to rust. Circulation and handling also wore away the coating on the sides, leaving them susceptible, too. Thus steel cents were <b>coated </b>because they were dipped in a molten liquid, like M&amp;Ms.</p><p><br /></p><p><b>Plating </b>for copper-plated cents (starting in 1982) is caused from positively charged copper ions being attracted to negatively charged zinc planchets while sitting in an electrolyte solution using electro currents; this is electroplating. And I have to think they are plated <b>after </b>the rims are added, and then struck. Corrupted plating leaving exposed zinc can lead to zinc rot.</p><p><br /></p><p>I think I am good now. The key was understanding why and also how the zinc was applied to steel cents and when. Thanks, y&#039;all.[/QUOTE]</p><p><br /></p>

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