I agree, and it looks clean.
The soft cndition you used to break it is called "hot short".
And ear plugs.
How big is your crucible, that looks manageable.
Heat to hot short as metallab suggested over an open fire then mash it into pieces.
Melt over an open fire and pick up the remains...
This is a staged picture, nobody's floor is that clean. Especially anybody who does as much work as Kelly.
Try a Super Salamander crucible.
I set mine on an old firebrick on the shop floor to cool. Never a problem. Did you put fresh cardboard under...
You can't close your air valves tight enough to avoid using a VFD?
Is it all brick inside?
I have a Mini Mite muller. It works great but I can only mull about 2/3 of an 8x10x3+3 flask. Two flasks and I'm mulling three loads. I get...
Looks like a great project. I have some spray can paint which replicates cast iron pretty well, an engine paint. I'll try to get a picture.
We all have different experiences, sometimes varying opinions.:D
Just pour it horizontally like any other casting and feed it from a proper riser through a gate.
I use a brass flux from Budget Casting Supply. If you save your dross you can flux it back to brass. I was melting scrap brass and getting a...
Why does brass not need flux? I skim a lot less material off if I flux the brass.
I think I would melt the copper into ingots to clean it up...
Furnace is looking good!
Choking a blower puts les load on it and it lasts longer. It's a little contrary to what is intuitive.
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