Patent ID: 6544355
Filing Date: 2003-04-08
Classification: C21D,C22C

Abstract:
A vitreous enamel steel sheet produced by continuous casting, excellent in formability, bubbling and black spot resistance and enamel adhesiveness, comprising, in mass %,0.002% or less of C, 0.05 to 0.2% of Mn, 0.01% or less of Si, 0.004% or less of N, 0.015 to 0.05% of O, below 0.01% of P, 0.025% or less of S, 0.02 to 0.04% of Cu, 0.03 to 0.05% of Nb, and 0.03 to 0.07% of V, satisfying the inequality 0.2>Mn (%)âˆ’2.0Â·O (%)+0.8Â·V (%)+0.5Â·Nb (%), and the balance consisting of Fe and unavoidable impurities.