KR102879162B1 - 강판 및 그 제조 방법 - Google Patents

강판 및 그 제조 방법

Info

Publication number
KR102879162B1
KR102879162B1 KR1020227019101A KR20227019101A KR102879162B1 KR 102879162 B1 KR102879162 B1 KR 102879162B1 KR 1020227019101 A KR1020227019101 A KR 1020227019101A KR 20227019101 A KR20227019101 A KR 20227019101A KR 102879162 B1 KR102879162 B1 KR 102879162B1
Authority
KR
South Korea
Prior art keywords
ferrite
temperature
less
toughness
steel plate
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
KR1020227019101A
Other languages
English (en)
Korean (ko)
Other versions
KR20220092977A (ko
Inventor
류헤이 다케시타
료 아라오
게이지 우에다
Original Assignee
제이에프이 스틸 가부시키가이샤
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 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤
Publication of KR20220092977A publication Critical patent/KR20220092977A/ko
Application granted granted Critical
Publication of KR102879162B1 publication Critical patent/KR102879162B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • C21D2211/001—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
    • C21D2211/005—Ferrite

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 Steel (AREA)
KR1020227019101A 2020-03-30 2021-01-27 강판 및 그 제조 방법 Active KR102879162B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-061190 2020-03-30
JP2020061190 2020-03-30
PCT/JP2021/002892 WO2021199629A1 (ja) 2020-03-30 2021-01-27 鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
KR20220092977A KR20220092977A (ko) 2022-07-04
KR102879162B1 true KR102879162B1 (ko) 2025-10-30

Family

ID=77930256

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227019101A Active KR102879162B1 (ko) 2020-03-30 2021-01-27 강판 및 그 제조 방법

Country Status (4)

Country Link
JP (1) JP7276443B2 (https=)
KR (1) KR102879162B1 (https=)
CN (1) CN115135787A (https=)
WO (1) WO2021199629A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102889835B1 (ko) * 2021-07-02 2025-11-21 제이에프이 스틸 가부시키가이샤 고강도 강판 및 그 제조 방법
WO2023276516A1 (ja) * 2021-07-02 2023-01-05 Ｊｆｅスチール株式会社 高強度鋼板およびその製造方法
CN118679276A (zh) * 2022-06-01 2024-09-20 杰富意钢铁株式会社 大线能量焊接用钢板及其制造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013079444A (ja) * 2011-09-20 2013-05-02 Kobe Steel Ltd 溶接歪みの少ない鋼板
JP2018150601A (ja) * 2017-03-14 2018-09-27 Ｊｆｅスチール株式会社 鋼材およびその製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5526164A (en) 1978-08-14 1980-02-25 Fuji Kikai Seisakusho Kk Product supplying device
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
JP3262972B2 (ja) * 1995-07-31 2002-03-04 新日本製鐵株式会社 低降伏比を有する低温靭性に優れた溶接性高強度鋼
JP3842836B2 (ja) * 1996-01-24 2006-11-08 新日本製鐵株式会社 低温靱性に優れた高張力鋼材の製造方法
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
JP4299769B2 (ja) 2004-04-28 2009-07-22 新日本製鐵株式会社 入熱２０〜１００ｋＪ／ｍｍの大入熱溶接用高ＨＡＺ靭性鋼材
JP4332064B2 (ja) 2004-05-07 2009-09-16 新日本製鐵株式会社 入熱２０〜１００ｋＪ／ｍｍの大入熱溶接用高ＨＡＺ靭性鋼材
JP5147276B2 (ja) * 2007-03-30 2013-02-20 株式会社神戸製鋼所 脆性亀裂発生抑制・停止特性および溶接熱影響部の低温靭性に優れた高張力鋼板
WO2013175745A1 (ja) * 2012-05-21 2013-11-28 Ｊｆｅスチール株式会社 脆性き裂伝播停止特性に優れた構造用高強度厚鋼板およびその製造方法
CA3009905C (en) * 2016-01-29 2020-11-17 Jfe Steel Corporation Steel plate for high-strength and high-toughness steel pipes and method for producing steel plate
US11486020B2 (en) * 2018-05-07 2022-11-01 Nippon Steel Corporation Hot-rolled steel sheet and production method therefor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013079444A (ja) * 2011-09-20 2013-05-02 Kobe Steel Ltd 溶接歪みの少ない鋼板
JP2018150601A (ja) * 2017-03-14 2018-09-27 Ｊｆｅスチール株式会社 鋼材およびその製造方法

Also Published As

Publication number Publication date
JP7276443B2 (ja) 2023-05-18
KR20220092977A (ko) 2022-07-04
CN115135787A (zh) 2022-09-30
JPWO2021199629A1 (https=) 2021-10-07
WO2021199629A1 (ja) 2021-10-07

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