Posted by gmharris [72.219.148.98] on Saturday, September 06, 2014 at 01:23:11 :
In Reply to: Plasma cutter posted by Sherman in Idaho [72.47.153.28] on Saturday, September 06, 2014 at 00:29:15 :
It can be done, but it requires old-school skills. The iron oxides melt first and contaminate the cast iron when it melts. Pre-heating the entire piece helps, but that would be difficult with pipe.
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