... steel, brass, cooper ,zinc ,tin and so on. As well as heating treatment prior to forging, sintering ... at any time under any state without impact on power supply;2.Speedy melting, low production cost , low ... material shape and weight, operator's skill level and other elements; 2.Configuration :an intermediate frequency power ... or melting speed. KGPS-100KG 100KW Gold and silver electric melting furnace