| 摘要 |
PROBLEM TO BE SOLVED: To provide a cold rolled steel sheet for porcelain enameling, excellent in porcelain enameling characteristics and formability and hardly causing strength reduction after firing. SOLUTION: The steel sheet has a composition consisting of, by weight, <=0.005% C, 0-0.05% Si, 0.2-0.7% Mn, 0.004-0.025% P, 0.005-0.045% S, 0-0.01% Al, 0.04-0.1% O, 0.02-0.05% Cu, <=0.005% N, 0.01-0.1% Ni, 0.5×0 to 2.5×0 of Cr, and the balance essentially Fe.
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