... 1.High efficiency furnace 2.for melting steel, casting iron, copper, aluminum 3.Environment ... steel, cast iron, stainless steel, copper, aluminum and other non-ferrous metals and their alloys melting, holding, using graphite crucible ... furnace (aluminum or steel), mechanical tilting furnace device (hydraulic tilting furnace installation), crucible mold (graphite crucible, iron crucible), water-cooled ...