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<p>[QUOTE=&quot;usmc60, post: 2380318, member: 76739&quot;]Sir all I was doing was responding to an incorrect quote by casade, the quote was under heat pressure and stress a die shrinks. All I was stating was heat causes metal to expand cold causes metal to contract, I learned this over 40 years ago in my younger years. If any of you members would&#039;ve taken a little bit of time to verify my statement by doing a little research on the effects of heat and cold on metal none of these idiotic statements would&#039;ve been made luckily we have members out there that do&nbsp; their research before they make a quote. My personal experience with heat treating metal, heat the metal up to desired temperature then the metal goes into an oil bath cooling the metal down thus hardening the metal I&#039;m sure the mint has their own formula for doing this to their specifications. I am sure all blacksmiths metalsmith whatever you prefer to call them have their own technique for hardening metal. And no sir the mint does not freeze anything except maybe replacement bearings and bushings for the equipment the mint uses. This statement can also be verified, would suggest before you make a stupid statement if you personally have not replaced a bushing or bearing there are many websites out there that explains the process Not expecting any of you to go out there and change bushings or bearings, this is only to give you a little more insight on cold effect on metal, a little more knowledge Can&#039;t hurt can it[/QUOTE]</p><p><br /></p>

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