C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
148/10, 75/145
C22C 38/16 (2006.01) C21D 1/00 (2006.01) C22C 38/14 (2006.01) C22C 38/60 (2006.01)
Patent
CA 1257789
ABSTRACT OF THE DISCLOSURE A cold rolled steel sheet suitable for enamel coating is provided which consists essentially of, on a weight basis, C up to 0.005%, P up to 0.02%, S up to 0.03%, N 0.005% to 0.012%, Ti up to 0.15% and Ti ? (48/12C + 48/14N + 48/32S)%, Cu up to 0.08%, and at least one member selected from As, Sb, and Bi in a total amount of 0.003% to 0.03% or Se and/or Te in a total amount of 0.003% to 0.05% or their combination in a total amount of 0.002 to 0.05%, the balance being Fe and concomitant impurities. The steel is produced by continuously casting a molten steel having the same composition as above, hot rolling and then cold rolling the steel, and continuously annealing the steel at a temperature in the range from the recrystallization temperature to the AC3 point. It is also produced by substantially the same procedure but by box annealing the steel having a titanium content increased at a temperature in the range from the recrystallization temperature to 800°C.
492962
Ikehira Junko
Itoh Kenji
Takasaki Junsuke
Tsunoyama Kouzou
Yasuda Akira
Kawasaki Steel Corporation
Moffat & Co.
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