Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt
Patent
1992-08-24
1994-01-25
Yee, Deborah
Metal treatment
Process of modifying or maintaining internal physical...
With casting or solidifying from melt
148546, C21D 800
Patent
active
052812847
ABSTRACT:
A process for producing a thin sheet of a Cr-Ni-based stainless steel having excellent surface quality and workability is produced by continuously casting a stainless steel represented by 18%Cr-8%Ni steel by means of a continuous casting machine having a mold wall surface that moves in synchronization with a cast strip, effecting rapid solidification at a cooling rate of 100.degree. C./sec or more into a cast strip having a thickness of 10 mm or less; after solidification thereof, initiating cooling of the cast strip from a high temperature at a rate of 100.degree. C./sec or more to 1250.degree. C. and preventing the occurrence of recuperation; holding the cooled cast strip in a temperature range of from over 900 to 1250.degree. C. exclusive for 5 sec to 2 min; and cooling and coiling the cast strip and subjecting the cast strip to annealing, pickling, cold rolling and annealing.
REFERENCES:
CAMP-ISIJ, vol. 3, pp. 769 and 770 (1990).
CAMP-ISIJ, vol. 1, pp. 1674-1705, (1988).
Nisshin-Seiko Giho, No. 62, pp. 62-78, Jun. 1990.
Oka Hideki
Suehiro Toshiyuki
Teraoka Shin-ich
Ueda Masanori
Yoshimura Yuuji
Nippon Steel Corporation
Yee Deborah
LandOfFree
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