... Machine 1.Pulse welding function 2.Adopt AC TIG welding. AC/DC Pulse TIG-400 Welding MachineCharacteristic1. Suitable for welding Al, Mg ... performance in overhead welding and vertical weld.3. Adopt AC TIG welding, which can balance the “+,- half-wave” by adjusting clearing ... )660*450*900660*450*900Weight (kg)195198 AC/DC Pulse TIG-400 Welding Machine