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Title:
THICK STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/089950
Kind Code:
A1
Abstract:
Provided is a thick steel sheet that has excellent internal quality properties and can be manufactured at a low cost without requiring special equipment. The thick steel sheet has a prescribed component composition, and the area ratio of gap defects in a central position of the sheet thickness is 0.5% or less.

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Inventors:
TERAZAWA YUSUKE (JP)
Application Number:
PCT/JP2022/035522
Publication Date:
May 25, 2023
Filing Date:
September 22, 2022
Export Citation:
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Assignee:
JFE STEEL CORP (JP)
International Classes:
C22C38/00; C21D8/02; C22C38/06; C22C38/58
Domestic Patent References:
WO2021182618A12021-09-16
Foreign References:
JP2007302908A2007-11-22
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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