Title:
テーラードブランク、テーラードブランクの製造方法、プレス成形品、及び、プレス成形品の製造方法
Document Type and Number:
Japanese Patent JP7422080
Kind Code:
B2
Abstract:
A tailored blank including a first steel sheet having a carbon content of 0.27 mass % or more, and a second steel sheet that is butt welded to the first steel sheet and that has a carbon content of 0.20 mass % or less, wherein the tailored blank includes an elongated future top plate portion, a future sidewall portion, and a future flange portion, a first steel sheet region that is configured by the first steel sheet is formed spanning part or all of a length direction of the future top plate portion, and a second steel sheet region that is configured by the second steel sheet is formed at the future flange portion to be joined by welding to another member, and wherein part or all of a length direction of the first steel sheet region is positioned within a length direction range of the second steel sheet region.
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Inventors:
Hiroki Fujimoto
Yu Senya
Yu Senya
Application Number:
JP2020548603A
Publication Date:
January 25, 2024
Filing Date:
September 19, 2019
Export Citation:
Assignee:
Nippon Steel Corporation
International Classes:
B21D22/20; B23K26/21; B23K26/22; C22C38/00
Domestic Patent References:
| JP201424080A | ||||
| JP11104749A | ||||
| JP201862204A | ||||
| JP200319516A |
Foreign References:
| WO2016080488A1 | ||||
| WO2017217538A1 | ||||
| WO2016088665A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office