Multifunctional TIG/MMA/CUT 3 in 1, easy to operate, portable, durable Technical data of plasma welding CT520About the products -Our D series for ... reduced, but efficiency is raised by over 30% -Working with TIG/MMA, output current is constant current -Working with CUT, due ... into strong plasma ARC -CT312/416 is wildly used in welding and cutting steel, such as stainless steel, alloy Steel, copper ...