metallab's Recent Activity
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metallab replied to the thread What is your favorite crucible?.
I have clay-graphite crucibles as well and a few Salamanders, but most just Amazon / fleabay ones which do well. Long ago (yes, in 1972...
Dec 6, 2023 at 12:50 PM -
metallab replied to the thread Crucible/ladle problems.
That also occurs when feeding the same scrap to a cupola or a waste oil furnace. Plus the dirty exhaust of these furnaces not emitted by...
Dec 4, 2023 at 8:32 AM -
metallab replied to the thread Crucible/ladle problems.
Or use propane + air. Much cleaner burn. The best is induction, but these furnaces are expensive for amateurs, but commercial foundries...
Nov 30, 2023
