... used for the gold, silver, silicon, FeSi, Si-Al, nickel aluminum, zinc and aluminum, zinc, tin and other metal ... /t KvaGW-S-0.250.2520038010000.2700250GW-S-0.350.3525038010000.3700315GW-S-0.50.535038010000.35670400GW-S-0.750.7545038010000.5670500GW ... -S-5530009503003.55603150GW-S-1010400095030055604000GW-S-1515500095030065606300Pictures show 1.0 ton IGBT Medium Frequency with steel furnace