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<p>[QUOTE=&quot;Pepperoni, post: 446849, member: 5520&quot;]<b>Steel/Iron</b></p><p><br /></p><p>Iron is a single product produced from iron ore.</p><p>Steel is an alloy. In a range of adding .5% to 2.0% you find a simple additive of carbon to make strong carbon based steel. The alloys are extensive, Chrome based for Stainless steel, and multiple elements to make exotic steels.</p><p>Vehicle frames on trucks and unibody cars now boast highly crush resistant light weight steel. This will continue until the passenger unit in a car becomes to stiff. Probably a 25% compression of a fixed beam at a predetermined load.</p><p>Look under a late model truck at the frame. You will notice how abrupt the bends are. This tells you the product is much thinner then the early 90s.</p><p>Steel , the wonder metal ![/QUOTE]</p><p><br /></p>

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