POSCO Holdings Inc.
Hot-rolled galvanized steel sheet having excellent galling resistance, formability and sealer-adhesion property and method for manufacturing same
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Abstract:
Disclosed are a hot-rolled galvanized steel sheet having excellent galling resistance and formability, and a method for manufacturing the same. The hot-rolled galvanized steel sheet, includes: a base steel; and a hot-rolled galvanizing layer formed on the surface of the base steel, wherein the hot-rolled galvanizing layer provides a hot-rolled galvanized steel sheet having a Mn crystallite having a size of 10 .mu.m or less between the resin dendrites of zinc that form sequins.
Status:
Grant
Type:
Utility
Filling date:
22 Aug 2017
Issue date:
20 Apr 2021