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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.
These 10 facts about space will blow your mind. A shielding gas is used during wire welding. Unlike arc welding, which uses welding rods that are covered with a flux coating, metal inert gas (MIG) and tungsten inert gas (TIG) wire welding use a shielding gas to protect the weld from contamination as it forms and cools.