| 摘要 |
PROBLEM TO BE SOLVED: To provide a producing method of a galvanized steel sheet with which the peeling of the coating and the uneven coating are not developed and the productivity can be improved by raising the alloying speed after galvanizing. SOLUTION: A high tension steel sheet is annealed after applying the coating forming-treatment by using water solution containing one or more kinds selected among sulfurous acid, hydrogen sulfide and ammonium thiosulfate, and successively, the galvanization is applied.
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