Cold rolled sheet or strip steel and a process for production th

Details Cold rolled sheet or strip steel and a process for production th Cold rolled sheet or strip steel and a process for production th

1990-07-18

1992-08-18

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148320, C21D 804

Patent

active

051395800

ABSTRACT:
In order to produce sheet possessing good forming properties, in particular for rotationally symmetrical deep-drawings, a low-carbon steel containing not more that 0.009% N is alloyed with 0.01 to 0.94% Ti and in certain cases with 0.01 to 0.06% Nb and continuously cast. The plate slabs are heated to a temperature above 1120 degrees Celsius, rolled to obtain a hot strip above the Ar.sub.3 point, and would at 520.+-.100 degrees Celsius. After cold rolling to the desired fine sheet thickness, the steel strip is annealed by recrystallizaiton, skin-passes and made into sheets.

REFERENCES:
patent: 4517031 (1985-05-01), Takasaki et al.
patent: 4889566 (1989-12-01), Okada et al.
Blech, Rohre, Profile (Sheet, Tubing, Sections), Singer, H., No. 9/1977, pp. 341-346.

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