JP7616491B1 - 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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JP7616491B1
JP7616491B1 JP2024534745A JP2024534745A JP7616491B1 JP 7616491 B1 JP7616491 B1 JP 7616491B1 JP 2024534745 A JP2024534745 A JP 2024534745A JP 2024534745 A JP2024534745 A JP 2024534745A JP 7616491 B1 JP7616491 B1 JP 7616491B1
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steel sheet
steel
area ratio
temperature
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JPWO2024202804A5 (https=
JPWO2024202804A1 (https=
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大起 山岸
芳怡 王
由康 川崎
達也 中垣内
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JFE Steel Corp
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
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    • 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
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
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    • C21D6/005—Heat treatment of ferrous alloys containing Mn
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    • C21D6/008—Heat treatment of ferrous alloys containing Si
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • 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
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    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
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    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08—Iron or steel
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/002—Bainite
    • 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

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  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
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WO2018088421A1 (ja) * 2016-11-10 2018-05-17 Ｊｆｅスチール株式会社 高強度冷延薄鋼板および高強度冷延薄鋼板の製造方法
WO2021200579A1 (ja) * 2020-03-31 2021-10-07 Ｊｆｅスチール株式会社 鋼板、部材及びそれらの製造方法
WO2021200577A1 (ja) * 2020-03-31 2021-10-07 Ｊｆｅスチール株式会社 鋼板、部材及びそれらの製造方法
WO2023032424A1 (ja) * 2021-08-30 2023-03-09 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
WO2023218731A1 (ja) * 2022-05-11 2023-11-16 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
WO2023218730A1 (ja) * 2022-05-11 2023-11-16 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法

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JP5256689B2 (ja) 2007-10-25 2013-08-07 Ｊｆｅスチール株式会社 加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法
US8993120B2 (en) 2011-09-30 2015-03-31 Nippon Steel & Sumitomo Metal Corporation High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance and manufacturing method thereof
CN103874776B (zh) 2011-09-30 2016-05-18 新日铁住金株式会社 机械切断特性优良的高强度热浸镀锌钢板、高强度合金化热浸镀锌钢板以及它们的制造方法

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WO2013125400A1 (ja) * 2012-02-22 2013-08-29 新日鐵住金株式会社 冷延鋼板およびその製造方法
WO2018088421A1 (ja) * 2016-11-10 2018-05-17 Ｊｆｅスチール株式会社 高強度冷延薄鋼板および高強度冷延薄鋼板の製造方法
WO2021200579A1 (ja) * 2020-03-31 2021-10-07 Ｊｆｅスチール株式会社 鋼板、部材及びそれらの製造方法
WO2021200577A1 (ja) * 2020-03-31 2021-10-07 Ｊｆｅスチール株式会社 鋼板、部材及びそれらの製造方法
WO2023032424A1 (ja) * 2021-08-30 2023-03-09 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
WO2023218731A1 (ja) * 2022-05-11 2023-11-16 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法
WO2023218730A1 (ja) * 2022-05-11 2023-11-16 Ｊｆｅスチール株式会社 鋼板、部材およびそれらの製造方法

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