... Duty cycle:60% Pilot arc model:high frequency Max.welding thickness:0.3in(8mm),0.4in(10mm),0.5in(13mm ... ,37KG Characteristics: 1, stable arc,easy to fill the wire 2, small size,light weight,easy to move 3, ... 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 and ...