JP7173423B1 - 高強度鋼板およびその製造方法 - Google Patents

高強度鋼板およびその製造方法 Download PDF

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Publication number
JP7173423B1
JP7173423B1 JP2022551343A JP2022551343A JP7173423B1 JP 7173423 B1 JP7173423 B1 JP 7173423B1 JP 2022551343 A JP2022551343 A JP 2022551343A JP 2022551343 A JP2022551343 A JP 2022551343A JP 7173423 B1 JP7173423 B1 JP 7173423B1
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Japan
Prior art keywords
less
temperature
ferrite
strength steel
content
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JP2022551343A
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Japanese (ja)
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JPWO2023276516A5 (https=
JPWO2023276516A1 (https=
Inventor
亮 荒尾
竜平 竹下
俊一 橘
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JFE Steel Corp
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JFE Steel Corp
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Priority claimed from PCT/JP2022/021867 external-priority patent/WO2023276516A1/ja
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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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • 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
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
JP2022551343A 2021-07-02 2022-05-30 高強度鋼板およびその製造方法 Active JP7173423B1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021110614 2021-07-02
JP2021110614 2021-07-02
PCT/JP2022/021867 WO2023276516A1 (ja) 2021-07-02 2022-05-30 高強度鋼板およびその製造方法

Publications (3)

Publication Number Publication Date
JP7173423B1 true JP7173423B1 (ja) 2022-11-16
JPWO2023276516A1 JPWO2023276516A1 (https=) 2023-01-05
JPWO2023276516A5 JPWO2023276516A5 (https=) 2023-06-06

Family

ID=84082881

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022551343A Active JP7173423B1 (ja) 2021-07-02 2022-05-30 高強度鋼板およびその製造方法

Country Status (3)

Country Link
JP (1) JP7173423B1 (https=)
KR (1) KR102889835B1 (https=)
CN (1) CN117337341B (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10147845A (ja) * 1996-11-19 1998-06-02 Nippon Steel Corp 疲労強度が高い鋼板およびその製造方法
JP2003239036A (ja) * 2002-02-19 2003-08-27 Nippon Steel Corp 疲労強度に優れた厚鋼板とその製造方法
JP2013079444A (ja) * 2011-09-20 2013-05-02 Kobe Steel Ltd 溶接歪みの少ない鋼板
JP2019214752A (ja) * 2018-06-12 2019-12-19 日本製鉄株式会社 低降伏比厚鋼板
JP2020117779A (ja) * 2019-01-24 2020-08-06 日本製鉄株式会社 鋼板及び鋼板の製造方法
WO2021199629A1 (ja) * 2020-03-30 2021-10-07 Ｊｆｅスチール株式会社 鋼板およびその製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5080547A (en) 1990-03-30 1992-01-14 The B. F. Goodrich Company Triaxially braided composite nut and bolt
JP2694625B2 (ja) 1991-07-05 1997-12-24 光技術研究開発株式会社 化合物半導体基体のエッチング方法および製造方法
JP2950076B2 (ja) 1993-01-08 1999-09-20 住友金属工業株式会社 溶接構造物用鋼
JP3546308B2 (ja) 2001-03-05 2004-07-28 Ｊｆｅスチール株式会社 大入熱溶接用鋼材
JP3733898B2 (ja) 2001-11-30 2006-01-11 Ｊｆｅスチール株式会社 大入熱溶接部靱性に優れた厚肉高張力鋼材の製造方法
JP4972451B2 (ja) * 2007-04-20 2012-07-11 株式会社神戸製鋼所 溶接熱影響部および母材の低温靭性に優れた低降伏比高張力鋼板並びにその製造方法
JP6308151B2 (ja) * 2015-03-17 2018-04-11 Ｊｆｅスチール株式会社 超大入熱溶接部靭性に優れた建築構造物用低降伏比高強度厚鋼板およびその製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10147845A (ja) * 1996-11-19 1998-06-02 Nippon Steel Corp 疲労強度が高い鋼板およびその製造方法
JP2003239036A (ja) * 2002-02-19 2003-08-27 Nippon Steel Corp 疲労強度に優れた厚鋼板とその製造方法
JP2013079444A (ja) * 2011-09-20 2013-05-02 Kobe Steel Ltd 溶接歪みの少ない鋼板
JP2019214752A (ja) * 2018-06-12 2019-12-19 日本製鉄株式会社 低降伏比厚鋼板
JP2020117779A (ja) * 2019-01-24 2020-08-06 日本製鉄株式会社 鋼板及び鋼板の製造方法
WO2021199629A1 (ja) * 2020-03-30 2021-10-07 Ｊｆｅスチール株式会社 鋼板およびその製造方法

Also Published As

Publication number Publication date
KR20230159568A (ko) 2023-11-21
CN117337341B (zh) 2025-12-30
CN117337341A (zh) 2024-01-02
KR102889835B1 (ko) 2025-11-21
JPWO2023276516A1 (https=) 2023-01-05

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