... 1, easy to operate, portable, durable Technical data of plasma welding CT520About the products -Our D series for 110/220 duel ... -Weight and volume are greatly reduced, but efficiency is raised by over 30% -Working with TIG/MMA, output current is constant ... into strong plasma ARC -CT312/416 is wildly used in welding and cutting steel, such as stainless steel, alloy Steel, copper ...