... MMA/CUT 3 in 1, easy to operate, portable, durable Inverter DC TIG/MMA/CUT CT416 welding machine/industial welding machine/CT welding machine/tig mma ... is raised by over 30%7.Working with TIG/MMA, output current is constant current8.Working with CUT, due to rapid- ... CT312/416 is wildly used in welding and cutting steel, such as stainless steel, alloy Steel, copper and other nonferrous metal10. ...