WSE series welding machine Model No:WSE200,WSE250,WSE315 Voltage:single phase ... Duty cycle:60% Pilot arc model:high frequency Max.welding thickness:0.3in(8mm),0.4in(10mm),0.5in( ... to move 3, easily switch operation modes:MMA/TIG,AC/DC 4, AC TIG welding for aluminum,magnesium and their alloys. 5, ... DC TIG welding for stainless steel,alloy steel,carbon steel,copper ...