... aluminums and titanium. 1. Adopt international standard digital control IGBT inverter technology, use microprocessor to control accurately, easily to use, high ... technological parameter can be loaded easily.4. Satisfied AC/DC TIG welding, mix AC/DC TIG welding, MMA welding, and so ... steel, carbon steel, copper, aluminums and titanium. Digital IGBT Inverter AC/DC Pulse TIG WSE-315D welding machines