FLUX AND METHOD FOR HOT-DIP PLATING Al-Zn ALLOY

摘要

PROBLEM TO BE SOLVED: To provide a flux which enables of dip plating an Al-Zn alloy with high Al content in one bath regardless of the size an form of steel products, and provide a method for hot-dip plating an Al-Zn alloy using the same.;SOLUTION: The flux comprises, by mol%, (a) 65-85% of ZnCl₂, (b) 0.5-3% in total of one or more selected from a fluoride or silicofluoride of alkali metal elements or alkaline earth metal elements, (c) 5-25% in total of one or more selected from chlorides of alkali metal elements or alkaline earth metal elements, and (d) more than 5% but 20% or less in total of one or more selected among chlorides of Sn, In, Tl, Sb, and Bi.;COPYRIGHT: (C)2003,JPO