Patent ID: 6440584
Filing Date: 2002-08-27
Classification: C21D,C22C,C23C,Y10S,Y10T

Abstract:
A hot-dip galvanized steel sheet comprising:a steel sheet containing 0.04 to 0.12% of C, 0.5% or less of Si, 1.0 to 2.0% of Mn, 0.05% or less of P, 0.005% or less of S, 0.05 to 1.0% of Cr, 0.005 to 0.2% of V, 0.1% or less of sol. Al, and 0.01% or less of N by weight %; said steel sheet having a structure consisting essentially of ferrite and martensite; and a hot-dip galvanizing layer formed on the steel sheet.