JP7795154B2 - 鋼板及び部材 - Google Patents

鋼板及び部材

Info

Publication number
JP7795154B2
JP7795154B2 JP2025540230A JP2025540230A JP7795154B2 JP 7795154 B2 JP7795154 B2 JP 7795154B2 JP 2025540230 A JP2025540230 A JP 2025540230A JP 2025540230 A JP2025540230 A JP 2025540230A JP 7795154 B2 JP7795154 B2 JP 7795154B2
Authority
JP
Japan
Prior art keywords
less
retained austenite
content
steel sheet
surface layer
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
JP2025540230A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025095122A5 (https=
JPWO2025095122A1 (https=
Inventor
光陽 大賀
正美 澤田
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 JPWO2025095122A1 publication Critical patent/JPWO2025095122A1/ja
Publication of JPWO2025095122A5 publication Critical patent/JPWO2025095122A5/ja
Application granted granted Critical
Publication of JP7795154B2 publication Critical patent/JP7795154B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

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)
JP2025540230A 2023-11-02 2024-11-01 鋼板及び部材 Active JP7795154B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023188617 2023-11-02
JP2023188617 2023-11-02
PCT/JP2024/039149 WO2025095122A1 (ja) 2023-11-02 2024-11-01 鋼板及び部材

Publications (3)

Publication Number Publication Date
JPWO2025095122A1 JPWO2025095122A1 (https=) 2025-05-08
JPWO2025095122A5 JPWO2025095122A5 (https=) 2025-10-03
JP7795154B2 true JP7795154B2 (ja) 2026-01-07

Family

ID=95580898

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025540230A Active JP7795154B2 (ja) 2023-11-02 2024-11-01 鋼板及び部材

Country Status (2)

Country Link
JP (1) JP7795154B2 (https=)
WO (1) WO2025095122A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023002910A1 (ja) 2021-07-21 2023-01-26 日本製鉄株式会社 冷延鋼板及びその製造方法
WO2024162176A1 (ja) 2023-01-30 2024-08-08 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023002910A1 (ja) 2021-07-21 2023-01-26 日本製鉄株式会社 冷延鋼板及びその製造方法
WO2024162176A1 (ja) 2023-01-30 2024-08-08 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法

Also Published As

Publication number Publication date
WO2025095122A1 (ja) 2025-05-08
JPWO2025095122A1 (https=) 2025-05-08

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