KR102889835B1 - 고강도 강판 및 그 제조 방법 - Google Patents

고강도 강판 및 그 제조 방법

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Publication number
KR102889835B1
KR102889835B1 KR1020237036151A KR20237036151A KR102889835B1 KR 102889835 B1 KR102889835 B1 KR 102889835B1 KR 1020237036151 A KR1020237036151 A KR 1020237036151A KR 20237036151 A KR20237036151 A KR 20237036151A KR 102889835 B1 KR102889835 B1 KR 102889835B1
Authority
KR
South Korea
Prior art keywords
less
ferrite
steel plate
temperature
content
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
KR1020237036151A
Other languages
English (en)
Korean (ko)
Other versions
KR20230159568A (ko
Inventor
료 아라오
류헤이 다케시타
슌이치 다치바나
??이치 다치바나
Original Assignee
제이에프이 스틸 가부시키가이샤
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Publication date
Application filed by 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Priority claimed from PCT/JP2022/021867 external-priority patent/WO2023276516A1/ja
Publication of KR20230159568A publication Critical patent/KR20230159568A/ko
Application granted granted Critical
Publication of KR102889835B1 publication Critical patent/KR102889835B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • C21D8/0205—
    • 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)
KR1020237036151A 2021-07-02 2022-05-30 고강도 강판 및 그 제조 방법 Active KR102889835B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021110614 2021-07-02
JPJP-P-2021-110614 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 (2)

Publication Number Publication Date
KR20230159568A KR20230159568A (ko) 2023-11-21
KR102889835B1 true KR102889835B1 (ko) 2025-11-21

Family

ID=84082881

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020237036151A Active KR102889835B1 (ko) 2021-07-02 2022-05-30 고강도 강판 및 그 제조 방법

Country Status (3)

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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (11)

* 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
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
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
JP3860763B2 (ja) * 2002-02-19 2006-12-20 新日本製鐵株式会社 疲労強度に優れた厚鋼板とその製造方法
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
JP2013079444A (ja) * 2011-09-20 2013-05-02 Kobe Steel Ltd 溶接歪みの少ない鋼板
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
JP7276443B2 (ja) * 2020-03-30 2023-05-18 Ｊｆｅスチール株式会社 鋼板およびその製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
KR20230159568A (ko) 2023-11-21
CN117337341B (zh) 2025-12-30
CN117337341A (zh) 2024-01-02
JP7173423B1 (ja) 2022-11-16
JPWO2023276516A1 (https=) 2023-01-05

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