Title:
連続鋳造方法、及び連続鋳造機
Document Type and Number:
Japanese Patent JP7139884
Kind Code:
B2
Abstract:
To reduce the central segregation of a slab.SOLUTION: In a continuous casting method where a slab 20 carried by a continuous casting machine 10 is subjected to rolling reduction by a pair of upstream side rolling reduction rolls 42 and a pair of downstream side rolling reduction rolls 44 adjacent in the carrying direction of the slab 20, the roll pitch between the pair of upstream side rolling reduction rolls 42 and the pair of downstream side rolling reduction rolls 44 is controlled to 100 to 400 mm, the slab 20 having a central solid phase rate R of 0.2 or lower is subjected to rolling reduction in 10 mm or more by the pair of upstream side rolling reduction rolls 42 and the pair of downstream side rolling reduction rolls 44, respectively.SELECTED DRAWING: Figure 2
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Inventors:
Shinji Nagai
Application Number:
JP2018203194A
Publication Date:
September 21, 2022
Filing Date:
October 29, 2018
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B22D11/128; B22D11/20
Domestic Patent References:
| JP2014231086A | ||||
| JP63171254A | ||||
| JP2303661A | ||||
| JP4309446A | ||||
| JP3090261A | ||||
| JP2002192310A | ||||
| JP2016022531A | ||||
| JP2151354A |
Foreign References:
| WO2017183058A1 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office
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