Place the lid on the foundry and let it warm up.
How to melt aluminum into sheets.
Add low salt to make the aluminum more fluid.
Load your cans into the container you re using as a crucible and place the crucible inside the kiln.
Once the crucible is glowing orange the foundry is hot enough to melt aluminum.
Let the foundry heat for about 10 minutes before placing aluminum inside of it.
The only cost here is the charcoal fuel duct tape and the 1 yard sale hair dryer.
Blowtorch melting some aluminum sheet.
The temperature in the foundry will need to be above 1220 degrees fahrenheit 660 degrees celsius.
Once the aluminum has hardened it is still much too hot to touch with your bare hands.
Most of the materials to build this can be found in dumpsters.
After about 10 seconds the aluminum will still be hot but safe to touch with your bare hands.
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Put the aluminum into the pot and turn up the power gradually until the aluminum starts to melt.
Once you know the setting on the dimmer that the aluminum starts to melt at mark this on the dimmer.
This is the melting point of aluminum 660 32 c 1220 58 f but below the melting point of steel.
Melting scrap aluminum into ingots 110kg or 242lb duration.
This uses bbq charcoal as the fuel and a hair dryer as the blower it ll melt a small batch of aluminum in about 10 minutes.
Preheat the oven to 250 degrees f.
Using tool remove all the lumpy slag from the aluminum.
Place a plexiglass sheet on large pan and place on the middle oven rack.
Blowtorch melting some aluminum sheet.
Place hardened aluminum into a bucket of cold water using steel tongs.
Add baking powder and mix to remove air and trapped gases that may cause air holes in metal later.
Heat for approximately five minutes.
Use a long metal ladle to scoop off the stuff that floats to the top when the aluminum is melted called dross.
To cool it down faster use steel tongs to place the aluminum into a bucket of cold water.