Apparatus for manufacturing thin steel sheet and method for manufacturing thin steel sheet

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12221664
APP PUB NO 20220002829A1
SERIAL NO

17292984

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Using an apparatus for manufacturing a thin steel sheet including the followings which are arranged in order: a continuous casting machine (1) for a thin slab having a slab thickness of 70 mm to 120 mm at a lower end of a mold; a holding furnace (2) that is configured to maintain a temperature of a cast slab (10) and/or heats the cast slab (10); and a rolling stand (3) by which finish rolling is performed, the casting speed of the thin slab is set to 4 to 7 m/min, the slab (10) is reduced at a rolling reduction of 30% or more by the reduction roll (4) after solidification is completed and when a center temperature of the slab is 1300° C. or higher, and the slab (10) is held at a temperature of 1150° C. or higher and 1300° C. or lower for five minutes or longer in the holding furnace (2).

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Patent Owner(s)

  • 501 NIPPON STEEL CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harada, Hiroshi Tokyo, JP 339 4451
Sakamoto, Masashi Tokyo, JP 79 632
Takayama, Takuya Tokyo, JP 33 44
Yamada, Kenji Tokyo, JP 494 8287

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