Hello my friends ! They gave me an old gas boiler . It is made of steel aluminum copper and brass . I'll take the cauldron apart and melt the metal into ingots . There is a lot of copper in the boiler, which made me very happy. In this video, I made the largest copper ingot that I have . Enjoy your viewing #hotmetal #bars #casting DISCLAIMER DO NOT TRY THIS AT HOME , IT CAN BE DANGEROUS . THESE VIDEOS ARE NOT FOR CHILDREN