EP3696287A4 - Dickwandige stahlplatte mit ausgezeichneten niedrigtemperatur-reckalterungsimpakteigenschaften und herstellungsverfahren dafür - Google Patents

Dickwandige stahlplatte mit ausgezeichneten niedrigtemperatur-reckalterungsimpakteigenschaften und herstellungsverfahren dafür Download PDF

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Publication number
EP3696287A4
EP3696287A4 EP18865647.4A EP18865647A EP3696287A4 EP 3696287 A4 EP3696287 A4 EP 3696287A4 EP 18865647 A EP18865647 A EP 18865647A EP 3696287 A4 EP3696287 A4 EP 3696287A4
Authority
EP
European Patent Office
Prior art keywords
recaltering
thick
steel plate
low temperature
manufacturing process
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.)
Granted
Application number
EP18865647.4A
Other languages
English (en)
French (fr)
Other versions
EP3696287B1 (de
EP3696287A1 (de
EP3696287C0 (de
Inventor
Woo-Gyeom KIM
Kyung-Keun Um
Ki-Hyun Bang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3696287A1 publication Critical patent/EP3696287A1/de
Publication of EP3696287A4 publication Critical patent/EP3696287A4/de
Application granted granted Critical
Publication of EP3696287B1 publication Critical patent/EP3696287B1/de
Publication of EP3696287C0 publication Critical patent/EP3696287C0/de
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
    • C22C38/06—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
    • 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
    • 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
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • 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

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)
EP18865647.4A 2017-10-11 2018-10-04 Herstellungsverfahren für dickwandige stahlplatte mit ausgezeichneten niedrigtemperatur-reckalterungsimpakteigenschaften Active EP3696287B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170131605A KR101949036B1 (ko) 2017-10-11 2017-10-11 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법
PCT/KR2018/011722 WO2019074236A1 (ko) 2017-10-11 2018-10-04 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법

Publications (4)

Publication Number Publication Date
EP3696287A1 EP3696287A1 (de) 2020-08-19
EP3696287A4 true EP3696287A4 (de) 2020-08-19
EP3696287B1 EP3696287B1 (de) 2023-12-06
EP3696287C0 EP3696287C0 (de) 2023-12-06

Family

ID=66101465

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18865647.4A Active EP3696287B1 (de) 2017-10-11 2018-10-04 Herstellungsverfahren für dickwandige stahlplatte mit ausgezeichneten niedrigtemperatur-reckalterungsimpakteigenschaften

Country Status (6)

Country Link
EP (1) EP3696287B1 (de)
JP (1) JP7022822B2 (de)
KR (1) KR101949036B1 (de)
CN (1) CN111225987B (de)
ES (1) ES2971876T3 (de)
WO (1) WO2019074236A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102218423B1 (ko) * 2019-08-23 2021-02-19 주식회사 포스코 저온인성 및 ctod 특성이 우수한 박물 강재 및 그 제조방법
KR102255822B1 (ko) * 2019-12-06 2021-05-25 주식회사 포스코 저온충격인성이 우수한 노말라이징 열처리 강판 및 제조방법
CN113088834B (zh) * 2021-02-26 2022-12-09 舞阳钢铁有限责任公司 一种高品质海上石油建设用钢板及其生产方法

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KR100544638B1 (ko) * 2001-12-24 2006-01-24 주식회사 포스코 항복강도 및 저온 파괴정지 특성이 우수한 후판강관구조용 강재의 제조방법
US20100258219A1 (en) * 2007-12-04 2010-10-14 Posco High-Strength Steel Sheet with Excellent Low Temperature Toughness and Manufacturing Method Thereof
JP2012072421A (ja) * 2010-09-28 2012-04-12 Sumitomo Metal Ind Ltd 氷海構造物用鋼板
EP2484792A1 (de) * 2009-09-30 2012-08-08 JFE Steel Corporation Stahlplatte mit geringem streckgrenzenverhältnis, hoher härte und hoher zähigkeit sowie verfahren zu ihrer herstellung
JP2012229470A (ja) * 2011-04-26 2012-11-22 Kobe Steel Ltd 低温靭性および溶接継手破壊靭性に優れた鋼板およびその製造方法
JP2012241266A (ja) * 2011-05-24 2012-12-10 Jfe Steel Corp 高圧縮強度耐サワーラインパイプ用鋼管及びその製造方法
EP2940172A1 (de) * 2012-12-27 2015-11-04 Posco Hochfestes stahlblech mit hervorragender tieftemperaturzähigkeit und geringem ertragsverhältnis sowie verfahren zur herstellung davon
EP3128029A1 (de) * 2014-03-31 2017-02-08 JFE Steel Corporation Stahlmaterial für hochgradig verformbare leitungsrohre mit hervorragenden reckalterungseigenschaften und anti-hic-eigenschaften, verfahren zur herstellung davon und geschweisstes stahlrohr

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KR20030021965A (ko) * 2001-09-10 2003-03-15 주식회사 포스코 극저온 충격인성이 우수한 라인파이프용 열연강판 및 그제조방법
JP4788146B2 (ja) 2004-03-09 2011-10-05 Ｊｆｅスチール株式会社 耐時効性に優れた低ｙｒ型電縫溶接鋼管用熱延鋼板とその製造方法
KR100851189B1 (ko) * 2006-11-02 2008-08-08 주식회사 포스코 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법
CN1995430A (zh) * 2006-12-25 2007-07-11 广东韶钢松山股份有限公司 一种改善钢板的低温韧性和应变时效低温韧性的方法
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JP5732017B2 (ja) * 2012-10-03 2015-06-10 株式会社神戸製鋼所 歪時効前後の靭性変化が少ない厚鋼板
CN104789892B (zh) * 2015-03-20 2017-03-08 宝山钢铁股份有限公司 具有优异低温冲击韧性的低屈强比高强韧厚钢板及其制造方法
JP2017082267A (ja) 2015-10-26 2017-05-18 株式会社神戸製鋼所 厚鋼板
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Publication number Priority date Publication date Assignee Title
KR100544638B1 (ko) * 2001-12-24 2006-01-24 주식회사 포스코 항복강도 및 저온 파괴정지 특성이 우수한 후판강관구조용 강재의 제조방법
US20100258219A1 (en) * 2007-12-04 2010-10-14 Posco High-Strength Steel Sheet with Excellent Low Temperature Toughness and Manufacturing Method Thereof
EP2484792A1 (de) * 2009-09-30 2012-08-08 JFE Steel Corporation Stahlplatte mit geringem streckgrenzenverhältnis, hoher härte und hoher zähigkeit sowie verfahren zu ihrer herstellung
JP2012072421A (ja) * 2010-09-28 2012-04-12 Sumitomo Metal Ind Ltd 氷海構造物用鋼板
JP2012229470A (ja) * 2011-04-26 2012-11-22 Kobe Steel Ltd 低温靭性および溶接継手破壊靭性に優れた鋼板およびその製造方法
JP2012241266A (ja) * 2011-05-24 2012-12-10 Jfe Steel Corp 高圧縮強度耐サワーラインパイプ用鋼管及びその製造方法
EP2940172A1 (de) * 2012-12-27 2015-11-04 Posco Hochfestes stahlblech mit hervorragender tieftemperaturzähigkeit und geringem ertragsverhältnis sowie verfahren zur herstellung davon
EP3128029A1 (de) * 2014-03-31 2017-02-08 JFE Steel Corporation Stahlmaterial für hochgradig verformbare leitungsrohre mit hervorragenden reckalterungseigenschaften und anti-hic-eigenschaften, verfahren zur herstellung davon und geschweisstes stahlrohr

Also Published As

Publication number Publication date
EP3696287B1 (de) 2023-12-06
EP3696287A1 (de) 2020-08-19
ES2971876T3 (es) 2024-06-10
EP3696287C0 (de) 2023-12-06
CN111225987A (zh) 2020-06-02
WO2019074236A1 (ko) 2019-04-18
CN111225987B (zh) 2022-06-10
JP2020537047A (ja) 2020-12-17
KR101949036B1 (ko) 2019-05-08
JP7022822B2 (ja) 2022-02-18

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