submerged arc weld (SAW)

A welding process that uses of a consumable wire electrode and deposits a layer of granular flux over the weldLocalized coalescence of metals produced by heating the materials to the welding temperature, with or without the application of pressure, or by the application… to shield the weld pool from impurities and prevent spatter. The arc is formed between the electrode tip and the workpiece, and the molten electrode and weld pool are submerged beneath the layer of flux.