Title:
硫黄添加鋼の連続鋳造ノズルの閉塞防止方法
Document Type and Number:
Japanese Patent JP6786964
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent the block of a continuous casting nozzle without adding Ca to molten steel and raising a molten steel temperature in the continuous casting of sulphur-added steel.SOLUTION: In a sulphur-added steel continuous casting, in which a sulphur-adding source is added, and in which S is adjusted to 0.012 to 0.100 mass %, a sulphur-added steel continuous casting nozzle block preventing method is characterized in that the total amount of an oxygen ingress from a sulphur adding source is suppressed at or lower than 40 ppm.SELECTED DRAWING: Figure 1
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Inventors:
Hajime Hasegawa
Susumu Kudo
Kimura Yuya
Susumu Kudo
Kimura Yuya
Application Number:
JP2016169670A
Publication Date:
November 18, 2020
Filing Date:
August 31, 2016
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B22D11/00; B22D1/00; C21C7/00; C21C7/04; C22C38/00; C22C38/60
Domestic Patent References:
| JP2002146473A | ||||
| JP2000144343A | ||||
| JP2004256890A |
Foreign References:
| WO2013146689A1 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Fukuchi Ritsuo
Nakamura Asayuki
Hideo Tokunaga
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Fukuchi Ritsuo
Nakamura Asayuki
Hideo Tokunaga