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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.
7018 Electrodes. The 7018 is the backbone of structural welding. This rod runs completely different from the 6010 and 6011 rodsâit is much smoother and easier. More of a drag rod, the 7018 is also referred to as a low-hydrogen, or low-high, rod in the field.The flux contains almost no hydrogen, and the rod produces smooth, strong welds that are very ductile. For this reason, these rods are used extensively in structural welding.018 Electrodes. The 7018 is the backbone of structural welding. This rod runs completely different from the 6010 and 6011 rodsâit is much smoother and easier. More of a drag rod, the 7018 is also referred to as a low-hydrogen, or low-high, rod in the field.