Plating wettability and plating adhesion excellent steel sheets with hot-dip galvanizing layer

2012 
The present invention provides a method comprising easily oxidizable elements of Si or Mn steel as the base material, the plating wettability and plating steel sheet excellent adhesion and a manufacturing method of hot-dip galvanized layer have. In the steel sheet having a surface layer A hot-dip galvanized hot dip galvanized steel sheet, wherein the surface of the steel sheet immediately below and having the following layer B in the steel sheet. Layer B: a thickness of 0.001μm ~ 0.5μm, by the layer B on a mass basis, a total of less than 50% by mass containing Fe, Si, Mn, P, S, Al oxides of one kind or two kinds or more to 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%, Al: less than 0.005% by mass of the content of non-oxide containing C, Si, Mn, P, S, Al, Fe or more of the non-oxide containing 50% by mass.
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