Quote:
Originally Posted by Schurkey
Far as I know--and I am not an expert--is that you can interchange Aluminum and Magnesium in the same mold.
Iron required a dedicated mold. There's no pouring iron into a mold intended for Aluminum and getting a decent, usable product out of it.
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If memory serve me, the melting and working temperatures for cast iron are over 1,500 degrees higher than the melting and working temperatures of aluminum. There is no way a mold designed for aluminum would survive having cast iron poured into it.