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<p>[QUOTE=&quot;-jeffB, post: 5362124, member: 27832&quot;]But brass, once it&#039;s made, melts at a <i>lower</i> point than pure copper. Yes, zinc is volatile and you&#039;ll lose some; even below its boiling point, its vapor pressure is high enough that some of it will come off. (Like water, it doesn&#039;t have to <i>boil</i> to evaporate.) But it&#039;s <i>slower</i> to do that when it&#039;s already alloyed, and it should be possible to add zinc (or zinc-rich bronze) to make up the difference.</p><p><br /></p><p>Or, you could get a bunch of real cents, pound them flat in a collar, and re-strike them. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" /> Or, more likely, contract with a foundry to give you sheets of alloy with the proper spec.[/QUOTE]</p><p><br /></p>

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