| 摘要 |
<p>Provided is a hot-dip-galvanized steel sheet which exhibits excellent appearance, post-pressing plating adhesion, spot-welding properties, and post-pressing/post-coating corrosion resistance. This hot-dip-galvanized steel sheet has a yield stress (YS) of 260-350MPa, inclusive, and has: a steel sheet comprising a composition containing, in mass%, C in the amount of 0.05-0.1%, inclusive, Si in the amount of 0.10% or less, Mn in the amount of 0.30-0.70%, inclusive, P in the amount of 0.040% or less, S in the amount of 0.010% or less, N in the amount of 0.005% or less, and Al in the amount of 0.10% or less, with Fe and inevitable impurities constituting the remainder; a hot-dip galvanized layer containing Al in the amount of 0.3-0.6 mass%, inclusive, and formed on at least part of the surface of the steel sheet; and an intermetallic compound present between the steel sheet and the hot-dip galvanized layer, and containing Al in the amount of 0.12gm-2 to 0.22gm-2, inclusive, and Fe2Al5 having an average particle diameter of 1μm or less.</p> |
