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<p>[QUOTE=&quot;GDJMSP, post: 3376892, member: 112&quot;]And did you happen to notice that the more silver you add to the alloy the lower the hardness number gets ?</p><p><br /></p><p>Point being, if you took the silver completely out of the alloy and used ONLY copper - the hardness number would actually increase !</p><p><br /></p><p>When 4% silver, combined with 8% copper is used the hardness number is 190.</p><p><br /></p><p>But when 1.75% silver, combined with 10.75% copper is used the hardness number is 197.</p><p><br /></p><p>As I said, take the silver out and the coin gold gets even harder <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" /></p><p><br /></p><p>That&#039;s why you should be out <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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