... Less spatter,no electromagnetic noise.4.Stepless current,stable welding,beautiful forming.6.It has electronic display screen,and you can ... another metal.-------WS,TIG Series is ingverter dc argon arc welding for stainless steel and another steel,copper and other ... sheet metal.-------MIG Series is inverter carbon dioxide gas shielded welding for carbon steel,low alloy steel,stainless steel,aluminum ...