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Electromagnet core dereference between hard and soft iron

  1. May 25, 2012 #1
    in terms of what buying what is the dereference between hard and soft iron? i know an iron core is good but what about cast iron?
  2. jcsd
  3. May 25, 2012 #2


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    Gold Member

    Cast iron is a nasty, and not particularly good, structural material. Stick with the soft stuff for magnetic purposes.
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