Title:
PROCESS FOR PRODUCING STEEL PRODUCT AND PRODUCTION FACILITY THEREFOR
Document Type and Number:
WIPO Patent Application WO/2005/012580
Kind Code:
A1
Abstract:
A process for producing a steel product, comprising the step of, after hot rolling, passing a steel product having been quenched or having undergone accelerated cooling on hot rolling line through multiple induction heaters disposed on the hot rolling line three or more times to thereby effect heat treatment thereof. This process enables uniform heat treatment of steel products with high productivity.
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Inventors:
Iijima, Yoshitsugu c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Mizuno, Hiroshi c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Sekine, Hiroshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Suzuki, Noritsugu c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Sugioka, Masatoshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Mizuno, Hiroshi c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Sekine, Hiroshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Suzuki, Noritsugu c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Sugioka, Masatoshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Application Number:
PCT/JP2003/009959
Publication Date:
February 10, 2005
Filing Date:
August 05, 2003
Export Citation:
Assignee:
JFE STEEL CORPORATION (2-3 Uchisaiwai-cho 2-chome, Chiyoda-ku, Tokyo, 100-0011, JP)
Iijima, Yoshitsugu c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Mizuno, Hiroshi c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Sekine, Hiroshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Suzuki, Noritsugu c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Sugioka, Masatoshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Iijima, Yoshitsugu c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Mizuno, Hiroshi c/o JFE R & D Corporation (1-1 Minamiwataridacho, Kawasaki-k, Kawasaki-shi Kanagawa, 210-0855, JP)
Sekine, Hiroshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Suzuki, Noritsugu c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
Sugioka, Masatoshi c/o Intellectual Property Department (JFE STEEL CORPORATION 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
International Classes:
C21D1/42; C21D8/02; B21B1/22; B21B15/00; B21B37/74; B21B45/00; B21B45/02; (IPC1-7): C21D1/42; C21D11/00; B21B45/00
Attorney, Agent or Firm:
Ochiai, Kenichiro c/o Intellectual Property Department (JFE Steel Corporation 2-3, Uchisaiwai-cho 2-chom, Chiyoda-ku Tokyo, 100-0011, JP)
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