发明名称 めっき濡れ性及びめっき密着性に優れた合金化溶融亜鉛めっき層を備えた鋼板とその製造方法
摘要 A steel sheet which uses steel sheet which contains the easily oxidizable elements Si and Mn as a base material and which is provided with a hot dip galvanized layer which is excellent in plating wettability and plating adhesion and a method of production of the same are provided. A hot dip galvanized steel sheet which is comprised of a steel sheet having a hot dip galvanized layer A on the surface of the steel sheet, characterized by having the following B layer right under the steel sheet surface and in the steel sheet: B layer: Layer which has thickness of 0.001 µm to 0.5 µm, which contains, based on mass of the B layer, one or more of Fe, Si, Mn, P, S, and Al oxides in a total of less than 50 mass%, which contains C, Si, Mn, P, S, and Al not in oxides in C: less than 0.05 mass%, Si: less than 0.1 mass%, Mn: less than 0.5 mass%, P: less than 0.001 mass%, S: less than 0.001 mass%, and Al: less than 0.005 mass% and which contains Fe not in oxides in 50 mass% or more.
申请公布号 JP5907221(B2) 申请公布日期 2016.04.26
申请号 JP20140173185 申请日期 2014.08.27
申请人 新日鐵住金株式会社 发明人 藤田 宗士;山中 晋太郎;佐藤 浩一
分类号 C23C2/06;C21D1/34;C21D1/74;C21D1/76;C21D9/46;C21D9/56;C22C38/00;C22C38/06;C22C38/58;C23C2/02;C23C2/28;C23C2/40 主分类号 C23C2/06
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