Below is a list of Metal Melting Furnaces manufacturers from Gary, Indiana. Metal melting furnaces are powerful heating chambers that are able to raise the temperature of many different metals and alloys past their melting point to produce molten metal. Copper, steel, stainless steel, aluminum, iron and brass, among many other metal materials are able to completely melt in these furnaces. Each furnace is designed around a certain type of metal, each with its own melting point, specifications and properties.