With Square Wave® TIG 200, users can perform AC TIG welding on aluminum and DC TIG welding on steel, stainless, and chrome-poly when precision and bead appearance are important. Users can also switch to stick welding when working with thicker materials or welding outdoors. TIG output range is 10-200 A when operating on 230 V input and 10-125 A when operating on 120 V input. Stick output ranges are 10-170 A and 10-90 A when operating on 230 V and 120 V input, respectively.