... 2.5mm 3.Stable arc 4.Beautiful welding New 200amp Inverter Welding ARC Machine characteristics:1.It adopts PWM control ... and another low alloy components.-------CUT,CT,LGK Series is inverter dc plasma cutting for stainless steel,carbon steel,copper,aluminum ... and other sheet metal.-------MIG Series is inverter carbon dioxide gas shielded welding for carbon steel,low alloy ...