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<p>[QUOTE=&quot;rbf, post: 95944, member: 3588&quot;]hey PenguineMinT,</p><p>I&#039;ve used HCL acid on rusted steel pennies also, and got the same result as you did.&nbsp; Works great to take the rust off, but there is one downside: it completely dissolves off all the zinc plating, right down to the bare steel.&nbsp; Since the protective layer of zinc is no longer there, the coin becomes even more succeptible to rust.&nbsp; Save those coins in a &quot;normal&quot; environment for a few weeks, months, or years and you&#039;ll see what I mean.&nbsp; Ideally, you would want to protect the coins by re-plating (galvanizing) them with a new coating of zinc.&nbsp; If you can figure out how to do that, then you will have succeeded in making your own reprocessed steel cents.[/QUOTE]</p><p><br /></p>

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