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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.
FCAW-S Basics: Fast, No Gas Cylinders Required The self-shielded process usually is not the first a welder learns, but it can be one of the most effective. by Tom Myers and Frank Dragolich, Jr. Self-shielded flux-cored arc welding (FCAW-S) wire is the industryâs multitasker. All at once, it produces its own shielding to help protect the arc, handles contaminants on the steel, deposits weld metal that meets structural requirements, and forms a fast-freezing slag over the weld metal.