Method of producing steel sheets for porcelain enameling and the

Details Method of producing steel sheets for porcelain enameling and the Method of producing steel sheets for porcelain enameling and the

1990-03-01

1992-03-24

Dean, R.

Metal treatment

Compositions

Heat treating

148 12F, 148 12D, 148156, C23D 100

Patent

active

050984918

ABSTRACT:
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.degree. C. but not higher than A.sub.c3 transformation point.

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