PLATED STEEL SHEET TO BE ENAMELED WITH ADEQUATE ADHESIVENESS TO ENAMEL, MANUFACTURING METHOD THEREFOR AND ENAMELED PRODUCT

摘要

PROBLEM TO BE SOLVED: To provide a steel sheet to be enameled which has adequate adhesiveness to enamel, even without being pretreated for enameling and using an expensive glaze containing Ni and Co.;SOLUTION: The plated steel sheet to be enameled has a composition comprising, by mass%, 0.070% or less C, 0.50% or less Si, 0.010-0.95% Mn, 0.20% or less P, 0.080% or less S, 0.20% or less Al, 0.070% or less N, 0.070% or less O, further one or more elements among 0.051-8.0% Cu, 0.051-8.0% Ni, 0.051-8.0% Co and 0.051-8.0% Mo, and the balance Fe with unavoidable impurities; and further has a plated film that contains one or more elements of Cu, Ni, Co and Mo, has a coating mass of 0.001 to 5.0 g/m², and is preferentially formed on a concentrated part with Cu, Ni, Co and Mo in the surface of the steel sheet, which is formed by controlling a heat history in a process of manufacturing the steel sheet.;COPYRIGHT: (C)2006,JPO&NCIPI