Posted by L.A.M.B on Thursday, May 21, 2009 at 6:21pm.
Information here:
http://www.google.com/search?q=why+some+pieces+of+iron+are+more+magnetic+than+others&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a
Sra
Iron is a loose term. Seldom when we have pieces of iron, it is pure iron, many other things are added (carbon, molybdenum,titanium,copper, ...). If these pieces are of differing composition, then it is only the part of them that is "soft" iron that will get magnetic.
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