... argon arc welding machine 3.MOS/IGBT inverter technology TIG-140 WelderTechnical Specification Model Specification TIG-140Rated input voltage(V)230Input ... electromagnetisms disturb, no slag, smooth welding line.5.Argon, suit for stainless steel, copper, aluminum, steel, titanium, nickel and other alloy ... material.6.With complete accessories. 7.Carton box tig welder for sale