NON-SCALLOP WELDING BACKING METAL AND PRODUCING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a backing metal of non-scallop welding and to provide a method to easily produce it, which can execute tack-welding of a specified length at a specified position. SOLUTION: In a backing metal of non-scallop welding used in welding an H-steel onto the other member wit...
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