KR20250034987A - 고강도 극후 강판 및 그의 제조 방법 - Google Patents

고강도 극후 강판 및 그의 제조 방법 Download PDF

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Publication number
KR20250034987A
KR20250034987A KR1020257004200A KR20257004200A KR20250034987A KR 20250034987 A KR20250034987 A KR 20250034987A KR 1020257004200 A KR1020257004200 A KR 1020257004200A KR 20257004200 A KR20257004200 A KR 20257004200A KR 20250034987 A KR20250034987 A KR 20250034987A
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KR
South Korea
Prior art keywords
less
plate thickness
strength
thickness
ultra
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.)
Pending
Application number
KR1020257004200A
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English (en)
Korean (ko)
Inventor
토모히사 야노
나오키 다카야마
슌이치 다치바나
šœ이치 다치바나
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
Priority claimed from PCT/JP2023/031503 external-priority patent/WO2024105967A1/ja
Publication of KR20250034987A publication Critical patent/KR20250034987A/ko
Pending legal-status Critical Current

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
    • C21D8/0221—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
    • C21D8/0247—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
    • 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
    • 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

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)
KR1020257004200A 2022-11-14 2023-08-30 고강도 극후 강판 및 그의 제조 방법 Pending KR20250034987A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022181478 2022-11-14
JPJP-P-2022-181478 2022-11-14
PCT/JP2023/031503 WO2024105967A1 (ja) 2022-11-14 2023-08-30 高強度極厚鋼板およびその製造方法

Publications (1)

Publication Number Publication Date
KR20250034987A true KR20250034987A (ko) 2025-03-11

Family

ID=90667707

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020257004200A Pending KR20250034987A (ko) 2022-11-14 2023-08-30 고강도 극후 강판 및 그의 제조 방법

Country Status (3)

Country Link
JP (1) JP7468814B1 (https=)
KR (1) KR20250034987A (https=)
CN (1) CN119630827A (https=)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002256375A (ja) 2001-02-28 2002-09-11 Kobe Steel Ltd アレスト特性に優れた鋼板およびその製法
JP2008169467A (ja) 2006-12-14 2008-07-24 Nippon Steel Corp 脆性き裂伝播停止性能に優れた高強度厚鋼板及びその製造方法
WO2011096456A1 (ja) 2010-02-08 2011-08-11 新日本製鐵株式会社 厚鋼板の製造方法
JP2011184754A (ja) 2010-03-09 2011-09-22 Kobe Steel Ltd 脆性亀裂伝播停止特性に優れた鋼材、およびその製造方法
JP2012172258A (ja) 2011-02-24 2012-09-10 Nippon Steel Corp 厚鋼板の製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108026618B (zh) * 2015-09-18 2020-03-06 杰富意钢铁株式会社 结构用高强度厚钢板及其制造方法
JP6682967B2 (ja) * 2016-04-06 2020-04-15 日本製鉄株式会社 厚鋼板およびその製造方法
CN116752044A (zh) * 2019-06-27 2023-09-15 日本制铁株式会社 钢材及其制造方法
CN116194602A (zh) * 2020-11-05 2023-05-30 杰富意钢铁株式会社 钢板及其制造方法
KR20230094389A (ko) * 2021-12-21 2023-06-28 주식회사 포스코 강도 및 저온 충격인성이 우수한 플랜지용 극후물 강재 및 그 제조방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002256375A (ja) 2001-02-28 2002-09-11 Kobe Steel Ltd アレスト特性に優れた鋼板およびその製法
JP2008169467A (ja) 2006-12-14 2008-07-24 Nippon Steel Corp 脆性き裂伝播停止性能に優れた高強度厚鋼板及びその製造方法
WO2011096456A1 (ja) 2010-02-08 2011-08-11 新日本製鐵株式会社 厚鋼板の製造方法
JP2011184754A (ja) 2010-03-09 2011-09-22 Kobe Steel Ltd 脆性亀裂伝播停止特性に優れた鋼材、およびその製造方法
JP2012172258A (ja) 2011-02-24 2012-09-10 Nippon Steel Corp 厚鋼板の製造方法

Also Published As

Publication number Publication date
JPWO2024105967A1 (https=) 2024-05-23
CN119630827A (zh) 2025-03-14
JP7468814B1 (ja) 2024-04-16

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