The use of an inert gas to form a shield around their arc limits the quality of MIG and TIG functions outdoors. “The American Welding Society recommends there be less than a five mile-an-hour ...

Its MIG (metal inert gas) and DC TIG (direct current tungsten inert gas) welding ratings differ minimally -- not enough to warrant an almost $900 difference. American Torch Tip compared the Vulcan ...