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<p>[QUOTE=&quot;Publius2, post: 7714298, member: 105571&quot;]I would suspect that pretty much any 300 grade of stainless would be very rough on standard modern minting machinery.&nbsp; The punches, dies, etc. would wear very much quicker than normal and would be subject to much more chipping.&nbsp; Also, if you&#039;ve ever tried to drill 300-grade stainless, you know that it will work-harden.&nbsp; I suspect that annealing it back to softer might be more involved than the traditional alloys.</p><p><br /></p><p>Then there is the whole business of cleaning alloys that contain chromium.&nbsp; Acid rinses and the like can release chromium compounds that are very toxic, so that entire part of the minting process might have to be changed.&nbsp; </p><p><br /></p><p>So, lots of problems associated with SS for coinage and little to no benefit that I can discern.[/QUOTE]</p><p><br /></p>

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