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<p>[QUOTE=&quot;Clawcoins, post: 2645345, member: 77814&quot;]The melting points of each element also can help understand why it&#039;s harder to smelt.</p><p><br /></p><p>War Nickel</p><p>silver is 1,760 Fahrenheit temperature to melting point,&nbsp; manganese 2275 F, copper is 1984 F</p><p><br /></p><p>Modern Nickel</p><p>for comparison:&nbsp; copper is 1984 F, nickel is 2650 F</p><p><br /></p><p>1982 Penny is 95% copper and 5% zinc ( a low 787 F)</p><p>Morgan Silver Dollar is 90% silver and 10% copper</p><p><br /></p><p>I can see how nickels require more energy to separate the metals.[/QUOTE]</p><p><br /></p>

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