CLEANING LIQUID, METHOD FOR CLEANING STEEL WELDED STRUCTURE, AND METHOD FOR MANUFACTURING STEEL WELDED STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a cleaning liquid that well removes oxide film and fume on steel welded structure.SOLUTION: Provided are: a cleaning liquid for cleaning steel welded structure and which is an acidic solution containing EDTA or a salt thereof; and a method for cleaning steel welded structure in which a steel welded structure is immersed in an acidic solution containing EDTA or a salt thereof.SELECTED DRAWING: None