METHOD FOR SPOT WELDING OF PLATED STEEL SHEET

摘要

Provided is a spot welding method with which liquid metal embrittlement cracking during spot welding of a plated steel sheet can be easily prevented, wherein the method is characterized in that, prior to spot welding, the plating is removed in at least: a range which is centered at the planned location where the center of the nugget is to be formed, the outer perimeter of the range including the interior of a circle inside the outside edge of the weld-affected part; or, from a superposition surface of the welded steel sheet, a range which has a center in common with the planned location at which the center of the nugget formed on the superposition surface of the welded steel sheet is to be formed, the outer perimeter of the range including the interior of a circle inside the outside edge of the weld-affected part.