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HIGH CORROSION RESISTANT HOT DIP ZN ALLOY PLATED STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
HIGH CORROSION RESISTANT HOT DIP ZN ALLOY PLATED STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
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机译:高耐腐蚀热浸ZN合金镀层钢板及其制造方法
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摘要
Provided is a hot dip zinc (Zn) alloy plated steel sheet having excellent corrosion resistance and surface qualities, and a method of manufacturing the same. For this purpose, provided is a high corrosion resistant hot dip Zn alloy plated steel sheet which includes an underlying steel sheet and a hot dip Zn alloy plating layer, wherein a composition of the hot dip Zn alloy plating layer includes 1 to 3 wt % of aluminum (Al), 1.5 to 4.0 wt % of magnesium (Mg), and Zn and unavoidable impurities as a remainder, in which Al+Mg is in a range of 2.5 to 7.0 wt % and Al: (Al+Mg) ratio is in a range of 0.38 to 0.48, and a method of manufacturing the high corrosion resistant hot dip Zn alloy plated steel sheet.
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