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This is a list of welding processes, separated into their respective categories. The AWS reference codes of the American Welding Society are commonly used in North America.
Semi-Automatic, Automatic, Welds are localized at predetermined points. Joining of dissimilar materials, e.
Transition joints for chemical industry and shipbuilding. Tubes or sheets are accelerated by electromagnetic forces.
The oldest welding process in the world. Oxides must be removed by flux or flames. A hot inert gas applies the pressure inside a pressure vessel, i. High-frequency vibratory energy is applied to foils, thin metal sheets or plastics.