JP7836014B2 - 鋼板及びその製造方法 - Google Patents

鋼板及びその製造方法

Info

Publication number
JP7836014B2
JP7836014B2 JP2025510257A JP2025510257A JP7836014B2 JP 7836014 B2 JP7836014 B2 JP 7836014B2 JP 2025510257 A JP2025510257 A JP 2025510257A JP 2025510257 A JP2025510257 A JP 2025510257A JP 7836014 B2 JP7836014 B2 JP 7836014B2
Authority
JP
Japan
Prior art keywords
less
rolling
granular bainite
steel sheet
bainite
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
JP2025510257A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2024203266A1 (https=
JPWO2024203266A5 (https=
Inventor
真一 村田
隆 安富
栄作 桜田
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 JPWO2024203266A1 publication Critical patent/JPWO2024203266A1/ja
Publication of JPWO2024203266A5 publication Critical patent/JPWO2024203266A5/ja
Application granted granted Critical
Publication of JP7836014B2 publication Critical patent/JP7836014B2/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
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2025510257A 2023-03-30 2024-03-12 鋼板及びその製造方法 Active JP7836014B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023056107 2023-03-30
JP2023056107 2023-03-30
PCT/JP2024/009485 WO2024203266A1 (ja) 2023-03-30 2024-03-12 鋼板及びその製造方法

Publications (3)

Publication Number Publication Date
JPWO2024203266A1 JPWO2024203266A1 (https=) 2024-10-03
JPWO2024203266A5 JPWO2024203266A5 (https=) 2025-09-16
JP7836014B2 true JP7836014B2 (ja) 2026-03-26

Family

ID=92905748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025510257A Active JP7836014B2 (ja) 2023-03-30 2024-03-12 鋼板及びその製造方法

Country Status (4)

Country Link
JP (1) JP7836014B2 (https=)
CN (1) CN120898016A (https=)
MX (1) MX2025011111A (https=)
WO (1) WO2024203266A1 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026028897A1 (ja) * 2024-07-30 2026-02-05 日本製鉄株式会社 鋼板及び部品
WO2026028896A1 (ja) * 2024-07-30 2026-02-05 日本製鉄株式会社 鋼板及び部品
JP7776801B1 (ja) * 2024-07-30 2025-11-27 日本製鉄株式会社 鋼板及び部品
JP7776802B1 (ja) * 2024-07-30 2025-11-27 日本製鉄株式会社 鋼板及び部品
JP7776800B1 (ja) * 2024-07-30 2025-11-27 日本製鉄株式会社 鋼板及び部品
WO2026028900A1 (ja) * 2024-07-30 2026-02-05 日本製鉄株式会社 鋼板及び部品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160333440A1 (en) 2014-01-24 2016-11-17 Rautaruukki Oyj Hot-rolled ultrahigh strength steel strip product
JP2016194158A (ja) 2015-04-01 2016-11-17 新日鐵住金株式会社 熱延鋼板及びその製造方法
WO2018138898A1 (ja) 2017-01-30 2018-08-02 新日鐵住金株式会社 鋼板
WO2020080339A1 (ja) 2018-10-17 2020-04-23 Jfeスチール株式会社 薄鋼板およびその製造方法
WO2020194995A1 (ja) 2019-03-25 2020-10-01 日本製鉄株式会社 ホットスタンプ成形体

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160333440A1 (en) 2014-01-24 2016-11-17 Rautaruukki Oyj Hot-rolled ultrahigh strength steel strip product
JP2016194158A (ja) 2015-04-01 2016-11-17 新日鐵住金株式会社 熱延鋼板及びその製造方法
WO2018138898A1 (ja) 2017-01-30 2018-08-02 新日鐵住金株式会社 鋼板
WO2020080339A1 (ja) 2018-10-17 2020-04-23 Jfeスチール株式会社 薄鋼板およびその製造方法
WO2020194995A1 (ja) 2019-03-25 2020-10-01 日本製鉄株式会社 ホットスタンプ成形体

Also Published As

Publication number Publication date
JPWO2024203266A1 (https=) 2024-10-03
WO2024203266A1 (ja) 2024-10-03
CN120898016A (zh) 2025-11-04
MX2025011111A (es) 2025-10-01

Similar Documents

Publication Publication Date Title
JP7836014B2 (ja) 鋼板及びその製造方法
KR100368529B1 (ko) 성형성이 우수한 고강도 열연강판
KR101424859B1 (ko) 고강도 강판 및 그 제조 방법
KR101540507B1 (ko) 연성 및 내지연 파괴 특성이 우수한 초고강도 냉연 강판 및 그 제조 방법
JP6143355B2 (ja) 絞り加工性と浸炭熱処理後の表面硬さに優れる熱延鋼板
JP7168137B1 (ja) 高強度鋼板およびその製造方法
JP4901623B2 (ja) 打ち抜き穴広げ性に優れた高強度薄鋼板およびその製造方法
KR20210079342A (ko) 열연 강판
WO2009151140A1 (ja) 高強度鋼板および高強度鋼板用溶鋼の溶製方法
JP5080215B2 (ja) 等方性と伸びおよび伸びフランジ性に優れた高強度冷延鋼板
JP4600196B2 (ja) 加工性に優れた高炭素冷延鋼板およびその製造方法
JP7836027B2 (ja) 鋼板、それを含む部品及び鋼板の製造方法
KR20250067184A (ko) 열간 압연 강판
JP7836012B2 (ja) 鋼板及びその製造方法
KR102888547B1 (ko) 강시판 및 그 제조 방법
CN118679276A (zh) 大线能量焊接用钢板及其制造方法
CN118056030A (zh) 经冷轧和热处理的钢板及其制造方法
JP7836013B2 (ja) 鋼板
JP2003342683A (ja) プレス成形性と打抜き加工性に優れた高強度熱延鋼板及びその製造方法
KR102858456B1 (ko) 열간 압연 강판
JP7791503B2 (ja) 鋼板、それを含む部品及び鋼板の製造方法
JP7092265B2 (ja) 鋼板
WO2026070154A1 (ja) 熱延鋼板およびその製造方法
WO2025234230A1 (ja) 鋼板、それを含む部品及び鋼板の製造方法
RU2605037C1 (ru) Способ производства высокопрочной горячекатаной стали

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20250711

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20250711

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20250725

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20251111

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20251128

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: 20260210

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20260223

R150 Certificate of patent or registration of utility model

Ref document number: 7836014

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150