JP7791503B2 - 鋼板、それを含む部品及び鋼板の製造方法 - Google Patents

鋼板、それを含む部品及び鋼板の製造方法

Info

Publication number
JP7791503B2
JP7791503B2 JP2025545893A JP2025545893A JP7791503B2 JP 7791503 B2 JP7791503 B2 JP 7791503B2 JP 2025545893 A JP2025545893 A JP 2025545893A JP 2025545893 A JP2025545893 A JP 2025545893A JP 7791503 B2 JP7791503 B2 JP 7791503B2
Authority
JP
Japan
Prior art keywords
less
ferrite
steel sheet
bainite
content
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2025545893A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025154502A5 (https=
JPWO2025154502A1 (https=
Inventor
顕吾 畑
大輔 板橋
武 豊田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of JPWO2025154502A1 publication Critical patent/JPWO2025154502A1/ja
Publication of JPWO2025154502A5 publication Critical patent/JPWO2025154502A5/ja
Application granted granted Critical
Publication of JP7791503B2 publication Critical patent/JP7791503B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2025545893A 2024-01-16 2024-12-24 鋼板、それを含む部品及び鋼板の製造方法 Active JP7791503B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2024004613 2024-01-16
JP2024004613 2024-01-16
PCT/JP2024/045625 WO2025154502A1 (ja) 2024-01-16 2024-12-24 鋼板、それを含む部品及び鋼板の製造方法

Publications (3)

Publication Number Publication Date
JPWO2025154502A1 JPWO2025154502A1 (https=) 2025-07-24
JPWO2025154502A5 JPWO2025154502A5 (https=) 2025-12-16
JP7791503B2 true JP7791503B2 (ja) 2025-12-24

Family

ID=96471381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025545893A Active JP7791503B2 (ja) 2024-01-16 2024-12-24 鋼板、それを含む部品及び鋼板の製造方法

Country Status (2)

Country Link
JP (1) JP7791503B2 (https=)
WO (1) WO2025154502A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013024860A1 (ja) 2011-08-17 2013-02-21 株式会社神戸製鋼所 高強度熱延鋼板
WO2021210644A1 (ja) 2020-04-17 2021-10-21 日本製鉄株式会社 高強度熱延鋼板
WO2024095533A1 (ja) 2022-11-02 2024-05-10 日本製鉄株式会社 熱間圧延鋼板

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013024860A1 (ja) 2011-08-17 2013-02-21 株式会社神戸製鋼所 高強度熱延鋼板
WO2021210644A1 (ja) 2020-04-17 2021-10-21 日本製鉄株式会社 高強度熱延鋼板
WO2024095533A1 (ja) 2022-11-02 2024-05-10 日本製鉄株式会社 熱間圧延鋼板

Also Published As

Publication number Publication date
WO2025154502A1 (ja) 2025-07-24
JPWO2025154502A1 (https=) 2025-07-24

Similar Documents

Publication Publication Date Title
JP5093422B2 (ja) 高強度鋼板及びその製造方法
JP4161935B2 (ja) 熱延鋼板およびその製造方法
JP5870955B2 (ja) 穴拡げ加工性に優れた高強度熱延鋼板およびその製造方法
JP7836014B2 (ja) 鋼板及びその製造方法
KR102858559B1 (ko) 열연 강판
EP4265765A1 (en) High strength steel sheet having excellent workability and method for manufacturing same
EP4265764A1 (en) High strength steel sheet having excellent workability, and method for manufacturing same
KR20240042470A (ko) 열간 압연 강판
EP4265771A1 (en) High strength steel sheet having excellent workability and method for manufacturing same
WO2020179387A1 (ja) 熱延鋼板およびその製造方法
WO2024095533A1 (ja) 熱間圧延鋼板
KR20220062603A (ko) 열연 강판
JP5483562B2 (ja) 伸びと伸びフランジ性のバランスに優れた高強度冷延鋼板
JP7836012B2 (ja) 鋼板及びその製造方法
EP4265763A1 (en) High strength steel sheet having excellent workability and method for manufacturing same
JP7791503B2 (ja) 鋼板、それを含む部品及び鋼板の製造方法
KR102930683B1 (ko) 핫 스탬프 성형체
JP7201136B1 (ja) 鋼矢板及びその製造方法
JP2021147646A (ja) 高強度鋼板およびその製造方法
JP7397380B2 (ja) ホットスタンプ用鋼板およびホットスタンプ成形体
JP7677554B1 (ja) 高強度熱延鋼板及び部材並びにこれらの製造方法
JP7092265B2 (ja) 鋼板
JP7397381B2 (ja) ホットスタンプ用鋼板およびホットスタンプ成形体
WO2025234230A1 (ja) 鋼板、それを含む部品及び鋼板の製造方法
WO2024095534A1 (ja) 熱間圧延鋼板

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250806

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250806

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20250806

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20251111

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20251124

R150 Certificate of patent or registration of utility model

Ref document number: 7791503

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150