Patent ID: 9476111
Filing Date: 2016-10-25
CPC Classification: B32B,C21D,C22C,C23C,Y10T

Claim Text:
1. A hot dip galvanized steel sheet, comprising: a steel sheet having a chemical composition containing, by mass %, C: 0.03% or more and 0.07% or less, Si: 0.10% or less, Mn: 0.5% or more and 0.9% or less, P: 0.020% or more and 0.050% or less, S: 0.010% or less, Nb: 0.010% or more and 0.035% or less, N: 0.005% or less, Al: 0.10% or less, and the balance being Fe and inevitable impurities, a hot dip galvanizing layer containing 0.3 mass % or more and 0.6 mass % or less of Al which is formed on the surface of the steel sheet, and an intermetallic compound layer containing 0.12 gm wherein a yield stress (YS) is 340 MPa or more and 420 MPa or less.