Steel sheets for porcelain enameling and method of producing...

Details Steel sheets for porcelain enameling and method of producing... Steel sheets for porcelain enameling and method of producing...

C - Chemistry, Metallurgy

21

D

75/145, 148/34.4

C21D 8/02 (2006.01) C22C 38/16 (2006.01)

Patent

CA 2011746

A steel sheet for porcelain enameling having improved press formability and enameling properties comprises particular amounts of C, Mn, B, Cu, Al, O, N, and P or further Ti and Nb and the balance being Fe and inevitable impurities and is produced by hot rolling a slab of steel having a chemical composition as mentioned above as a starting material, cold rolling the resulting hot rolled sheet at a reduction of not less than 70%, and then subjecting the resulting cold rolled sheet to a continuous annealing at a heating temperature of not lower than 800°C but not higher than Ac3 transformation point.

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