Patent ID: 8236111

Claim:
A product for enameling comprising a pressed steel sheet having on the surface thereof an oxide film of 0.10 μm to 400 μm in thickness comprising oxides of components of the steel sheet, wherein the steel sheet comprises, in mass %, C: 0.0001% to 0.040%, Si: 0.0001% to 0.50%, Mn: 0.001% to 2.00%, P: 0.0001% to 0.10%, S: 0.0001% to 0.060%, Al: 0.0001% to 0.10%, N: 0.0001% to 0.015%, and O: 0.0001% to 0.070%, further comprises one or more of Ni: 0.01% to 2.00%, Co: 0.0005% to 2.00%, Cr: 0.001% to 2.00%, Cu: 0.01% to 2.00%, Mo: 0.0001% to 2.00%, and Ti: 0.0005% to 0.50%, where Ni+Co+Cr/2+Cu+Mo+Ti: 0.010% to 8.0%, and a balance being Fe and unavoidable impurities.