JP7845583B2 - 鋼板、部材およびそれらの製造方法 - Google Patents

鋼板、部材およびそれらの製造方法

Info

Publication number
JP7845583B2
JP7845583B2 JP2025536027A JP2025536027A JP7845583B2 JP 7845583 B2 JP7845583 B2 JP 7845583B2 JP 2025536027 A JP2025536027 A JP 2025536027A JP 2025536027 A JP2025536027 A JP 2025536027A JP 7845583 B2 JP7845583 B2 JP 7845583B2
Authority
JP
Japan
Prior art keywords
less
content
tempered martensite
steel
seconds
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
JP2025536027A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2025204082A5 (https=
JPWO2025204082A1 (https=
Inventor
潤也 戸畑
英之 木村
弘和 小林
玄太郎 武田
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.)
JFE Steel Corp
Original Assignee
JFE 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of JPWO2025204082A1 publication Critical patent/JPWO2025204082A1/ja
Publication of JPWO2025204082A5 publication Critical patent/JPWO2025204082A5/ja
Application granted granted Critical
Publication of JP7845583B2 publication Critical patent/JP7845583B2/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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62Quenching devices
    • C21D1/63Quenching devices for bath quenching
    • 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
    • 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
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/56Continuous furnaces for strip or wire
    • C21D9/573Continuous furnaces for strip or wire with cooling
    • 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
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • 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)
JP2025536027A 2024-03-29 2025-01-28 鋼板、部材およびそれらの製造方法 Active JP7845583B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2024055236 2024-03-29
JP2024055236 2024-03-29
PCT/JP2025/002538 WO2025204082A1 (ja) 2024-03-29 2025-01-28 鋼板、部材およびそれらの製造方法

Publications (3)

Publication Number Publication Date
JPWO2025204082A1 JPWO2025204082A1 (https=) 2025-10-02
JPWO2025204082A5 JPWO2025204082A5 (https=) 2026-03-05
JP7845583B2 true JP7845583B2 (ja) 2026-04-14

Family

ID=97218428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025536027A Active JP7845583B2 (ja) 2024-03-29 2025-01-28 鋼板、部材およびそれらの製造方法

Country Status (2)

Country Link
JP (1) JP7845583B2 (https=)
WO (1) WO2025204082A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016152163A1 (ja) 2015-03-25 2016-09-29 Jfeスチール株式会社 冷延鋼板およびその製造方法
WO2020026838A1 (ja) 2018-07-31 2020-02-06 Jfeスチール株式会社 薄鋼板及びその製造方法
WO2023181641A1 (ja) 2022-03-25 2023-09-28 Jfeスチール株式会社 高強度鋼板およびその製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7359331B1 (ja) * 2022-01-14 2023-10-11 Jfeスチール株式会社 高強度鋼板およびその製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016152163A1 (ja) 2015-03-25 2016-09-29 Jfeスチール株式会社 冷延鋼板およびその製造方法
WO2020026838A1 (ja) 2018-07-31 2020-02-06 Jfeスチール株式会社 薄鋼板及びその製造方法
WO2023181641A1 (ja) 2022-03-25 2023-09-28 Jfeスチール株式会社 高強度鋼板およびその製造方法

Also Published As

Publication number Publication date
WO2025204082A1 (ja) 2025-10-02
JPWO2025204082A1 (https=) 2025-10-02

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