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A: I would like to answer your question as a general discussion of flux-cored welding. The American Welding Society (AWS) classifies all tubular electrodes having a flux on the inside as flux-cored wires, and calls it the Flux Cored Arc Welding (FCAW) process. All flux-cored wires have some similar characteristics. These include forming a protective slag over the weld, use a drag angle technique, have the ability to weld out-of-position or flat and horizontal only at higher deposition rates (depending on type of wire), ability to handle contaminants on the plate, etc.
This type of welding uses an electrical power source to create an arc between the base metal and an electrode stick or wire. The arc is struck by turning on the welding machine, adjusting the settings, getting safety gear and materials in place and then scratching or tapping the electrode against the base metal.IG welding is one of the more difficult welding processes to learn and is most often used to weld very thin pieces of stainless steel and non-ferrous metals such as magnesium and aluminum. Filler metal is added to the weld from a tungsten rod that is separate from the electrode.