... frequency conversion and power adjustmentSuitable for Steel and stainless steel, Brass, copper, silver, gold and Aluminum ... ability of common materialsSteel and stainless steelBrass, copper, silver, goldAluminumGP-15 15KW Furnace15KVA3Kg10 Kg3 ... size and portable , compared with SCR controlled machine, only 1/10 working space is needed ... Frequency Induction Melting Furnace For Copper,Iron,Steel,Aluminium