HOT DIP Zn-Al BASED ALLOY PLATED STEEL PRODUCT EXCELLENT IN BENDING WORKABILITY AND METHOD FOR PRODUCTION THEREOF

摘要

High corrosion resistance and also provides a melting the bending workability of the plating alloy coated steel material excellent Zn-Al-based and its manufacturing method. In mass%, Al: 25 to 85%, Cr, Mn of one or two kinds of 0.05 to 5%, Si: containing 0.5 to 10% of the content of Al, and the balance unit a plated layer consisting of Zn and unavoidable impurities has, also the bending workability is excellent in melt-Zn-Al-based alloy coated steel material and its manufacturing method, it characterized in that the average value of the size of the sequin-coated surface than 0.5 ㎜. ; High corrosion resistance, bending workability, the molten Zn-Al-based alloy coated steel