Refers to localized corrosionThe deterioration or degradation of a pipeline caused by chemical or electrochemical reactions with its environment. Corrosion is a significant concern as it ca… that occurs specifically in the welded seams or joints of a metallic structure. It is characterized by the preferential attack of 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… area compared to the surrounding base metal.