JP7632758B2 - 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 Download PDF

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Publication number
JP7632758B2
JP7632758B2 JP2024531140A JP2024531140A JP7632758B2 JP 7632758 B2 JP7632758 B2 JP 7632758B2 JP 2024531140 A JP2024531140 A JP 2024531140A JP 2024531140 A JP2024531140 A JP 2024531140A JP 7632758 B2 JP7632758 B2 JP 7632758B2
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Japan
Prior art keywords
less
ferrite
steel sheet
content
temperature
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JP2024531140A
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English (en)
Japanese (ja)
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JPWO2024162175A1 (https=
JPWO2024162175A5 (https=
Inventor
大洋 浅川
潤也 戸畑
英之 木村
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JFE Steel Corp
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JFE Steel Corp
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Publication of JPWO2024162175A5 publication Critical patent/JPWO2024162175A5/ja
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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
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/004—Dispersions; Precipitations
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

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)
JP2024531140A 2023-01-30 2024-01-25 鋼板、部材およびそれらの製造方法 Active JP7632758B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023011603 2023-01-30
JP2023011603 2023-01-30
PCT/JP2024/002240 WO2024162175A1 (ja) 2023-01-30 2024-01-25 鋼板、部材およびそれらの製造方法

Publications (3)

Publication Number Publication Date
JPWO2024162175A1 JPWO2024162175A1 (https=) 2024-08-08
JPWO2024162175A5 JPWO2024162175A5 (https=) 2025-01-07
JP7632758B2 true JP7632758B2 (ja) 2025-02-19

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JP2024531140A Active JP7632758B2 (ja) 2023-01-30 2024-01-25 鋼板、部材およびそれらの製造方法

Country Status (6)

Country Link
EP (1) EP4632098A4 (https=)
JP (1) JP7632758B2 (https=)
KR (1) KR20250126110A (https=)
CN (1) CN120530221A (https=)
MX (1) MX2025008612A (https=)
WO (1) WO2024162175A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026058661A1 (ja) * 2024-09-13 2026-03-19 株式会社神戸製鋼所 鋼板および電気亜鉛めっき鋼板
WO2026071091A1 (ja) * 2024-09-30 2026-04-02 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
WO2026071092A1 (ja) * 2024-09-30 2026-04-02 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015151428A1 (ja) 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 材質均一性に優れた高強度冷延鋼板およびその製造方法
WO2018030501A1 (ja) 2016-08-10 2018-02-15 Ｊｆｅスチール株式会社 薄鋼板およびその製造方法
WO2023008003A1 (ja) 2021-07-28 2023-02-02 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4712882B2 (ja) 2008-07-11 2011-06-29 株式会社神戸製鋼所 耐水素脆化特性および加工性に優れた高強度冷延鋼板
JP5630125B2 (ja) * 2009-08-06 2014-11-26 Ｊｆｅスチール株式会社 低温靭性に優れた高強度熱延鋼板およびその製造方法
JP6540764B2 (ja) * 2016-09-16 2019-07-10 Ｊｆｅスチール株式会社 耐摩耗鋼板およびその製造方法
JP6388085B2 (ja) 2016-09-28 2018-09-12 Ｊｆｅスチール株式会社 鋼板およびその製造方法
EP3828297B1 (en) * 2018-08-31 2026-01-28 JFE Steel Corporation High-strength steel plate and method for producing same
JP7239078B1 (ja) * 2021-07-09 2023-03-14 Ｊｆｅスチール株式会社 高強度鋼板、高強度めっき鋼板及びそれらの製造方法並びに部材

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015151428A1 (ja) 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 材質均一性に優れた高強度冷延鋼板およびその製造方法
WO2018030501A1 (ja) 2016-08-10 2018-02-15 Ｊｆｅスチール株式会社 薄鋼板およびその製造方法
WO2023008003A1 (ja) 2021-07-28 2023-02-02 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
KR20250126110A (ko) 2025-08-22
EP4632098A1 (en) 2025-10-15
JPWO2024162175A1 (https=) 2024-08-08
CN120530221A (zh) 2025-08-22
MX2025008612A (es) 2025-08-01
WO2024162175A1 (ja) 2024-08-08
EP4632098A4 (en) 2026-03-18

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