#3 6KG Metal Cap. MegaCast™, Foundry Clay Graphite Crucibles Black Cup Furnace Torch Melting Casting Refining Gold Silver Copper Brass Aluminum

This is a graphite crucible that is well made, works as it’s supposed to, and appears that it will last quite a decent amount of time. I’ve used it for maybe 20 pours so far with no issues or severe wear.

Great crucible, incredible price. exactly what I wanted. They're the perfect size for melting pop cans and all the chunks of copper and brass . Fits one can at a time perfectly. very durable. Have done about 6 melting’s with it so far, and it is still in like new. “”Definitely would buy another one if need it”” .These graphite’s are great quality . wear gloves when you handle these since your hand can be grey stained .but in the several pouring’s I've done so far it's worked perfectly.

It's not as big as the 6 kg that came with my unit I bought it with second one so I'd have to case my other one broke I still have one. It works

Works great for melting metal!

I bought 2 of these for a propane fueled furnace. One for copper/brass and another for zinc/lead.BE SURE TO PREHEAT THEM BEFORE USING THE FIRST TIME. Bake @ 250 on a cookie sheet for about 2 hours.The first one has survived 10+ firings with no signs of damage. The zinc oxide from overheating brass didnt phase it at all. I flip them upside down and lightly tap them on a fire brick to dump the scrap/slag after pouring and have yet to even see a chip in the rim.The second one has survived 5 lead/zinc pours. I needed a fast pour rate so I took a triangular file and widened the spout. The graphite files away very easily.Comparing these to some other clay/graphite crucibles, it seems these have a very high graphite content with very little clay. Im impressed with the durability. There are no signs of crazing or cracking which would normally start showing up on crucibles with a high amount of clay.*NOTE* these will barely fit in a King of Random forge with about a 1/4-1/2 inch gap all around and you will need to use a pair of pliers to pull it out. Lifting tongs wont fit.

I haven’t had the crucible for more than a day before it broke. I was melting an aluminum can (which the product said it was able to handle) and right when the can started to melt, the whole thing just detonated for no observable reason. I had the crucible stationed in the middle of a propane fire pit, and less than 15 minutes on the flame and it just shattered, flung broken pieces all over, and almost splashed half-molten aluminum on me. In summary, this product broke less than a day since it was in my possession, I got too excited with it and heated it up too quickly.

The media could not be loaded. My son loves using this! He built his own furnace to melt the metal and needed a crucible. Before use, he had to put it in the oven at 300 degrees for one hour, then put it in his outdoor furnace for some time to cure it. Once that was done, it was ready to melt metal. He’s been melting aluminum cans and hasn’t yet tried any other type of metal.

First time in furnace, it shattered making a mess and spilling molten aluminum into the insulation