ZINC HOT DIP GALVANIZED STEEL PLATE EXCELLENT IN PRESS FORMABILITY AND METHOD FOR PRODUCTION THEREOF

摘要

A zinc hot dip galvanized steel plate which comprises a plating layer consisting substantially of eta phase and an oxide layer present on the surface of the plating layer, wherein the oxide layer has an average thickness of 10 nm or more and comprises a Zn-based oxide layer and an Al based oxide layer; and a method for producing the zinc hot dip galvanized steel plate, which comprises the steps of zinc hot dip galvanizing, skin pass rolling and oxidation treatment.