JP7820682B2 - 鋼板及び外板部材 - Google Patents

鋼板及び外板部材

Info

Publication number
JP7820682B2
JP7820682B2 JP2025535112A JP2025535112A JP7820682B2 JP 7820682 B2 JP7820682 B2 JP 7820682B2 JP 2025535112 A JP2025535112 A JP 2025535112A JP 2025535112 A JP2025535112 A JP 2025535112A JP 7820682 B2 JP7820682 B2 JP 7820682B2
Authority
JP
Japan
Prior art keywords
less
steel sheet
hard phase
steel
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
JP2025535112A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025053213A5 (https=
JPWO2025053213A1 (https=
Inventor
諭 弘中
真衣 永野
克哉 中野
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 JPWO2025053213A1 publication Critical patent/JPWO2025053213A1/ja
Publication of JPWO2025053213A5 publication Critical patent/JPWO2025053213A5/ja
Application granted granted Critical
Publication of JP7820682B2 publication Critical patent/JP7820682B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
JP2025535112A 2023-09-06 2024-09-05 鋼板及び外板部材 Active JP7820682B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023144296 2023-09-06
JP2023144296 2023-09-06
PCT/JP2024/031841 WO2025053213A1 (ja) 2023-09-06 2024-09-05 鋼板及び外板部材

Publications (3)

Publication Number Publication Date
JPWO2025053213A1 JPWO2025053213A1 (https=) 2025-03-13
JPWO2025053213A5 JPWO2025053213A5 (https=) 2025-08-26
JP7820682B2 true JP7820682B2 (ja) 2026-02-26

Family

ID=94923319

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025535112A Active JP7820682B2 (ja) 2023-09-06 2024-09-05 鋼板及び外板部材

Country Status (4)

Country Link
JP (1) JP7820682B2 (https=)
KR (1) KR20260041896A (https=)
CN (1) CN121752749A (https=)
WO (1) WO2025053213A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023100424A1 (ja) 2021-12-03 2023-06-08 日本製鉄株式会社 鋼板
WO2023149002A1 (ja) 2022-02-01 2023-08-10 日本製鉄株式会社 鋼板
WO2024070052A1 (ja) 2022-09-30 2024-04-04 日本製鉄株式会社 鋼板

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0692617B2 (ja) * 1989-08-21 1994-11-16 新日本製鐵株式会社 表面性状と加工性に優れた複合組織熱延高張力鋼板の製造方法
JP4380348B2 (ja) 2004-02-09 2009-12-09 Ｊｆｅスチール株式会社 表面品質に優れる高強度溶融亜鉛めっき鋼板
KR102440756B1 (ko) * 2020-12-15 2022-09-08 주식회사 포스코 표면 경도가 낮고 저온 충격인성이 우수한 강재 및 그 제조방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023100424A1 (ja) 2021-12-03 2023-06-08 日本製鉄株式会社 鋼板
WO2023149002A1 (ja) 2022-02-01 2023-08-10 日本製鉄株式会社 鋼板
WO2024070052A1 (ja) 2022-09-30 2024-04-04 日本製鉄株式会社 鋼板

Also Published As

Publication number Publication date
WO2025053213A1 (ja) 2025-03-13
KR20260041896A (ko) 2026-03-27
CN121752749A (zh) 2026-03-27
JPWO2025053213A1 (https=) 2025-03-13

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