BLOWHOLE_PIT PREVENTING AGENT AND ARC-WELDING METHOD USING THE SAME

摘要

BLOWHOLE-PIT PREVENTING AGENT AND ARC-WELDING METHOD USING THE SAME In lap joint welding of galvanized sheets, the occurrence of blowhole and pit is prevented by applying a blowhole-pit preventing agent comprising a phosphorus compound as an effective ingredient prior to the arcwelding.