CA2668069C - Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same - Google Patents

Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same Download PDF

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Publication number
CA2668069C
CA2668069C CA2668069A CA2668069A CA2668069C CA 2668069 C CA2668069 C CA 2668069C CA 2668069 A CA2668069 A CA 2668069A CA 2668069 A CA2668069 A CA 2668069A CA 2668069 C CA2668069 C CA 2668069C
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CA
Canada
Prior art keywords
steel plate
steel
cooling
toughness
temperature
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.)
Expired - Fee Related
Application number
CA2668069A
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English (en)
French (fr)
Other versions
CA2668069A1 (en
Inventor
Seong Soo Ahn
Jang Yong Yoo
Sang Hyun Cho
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 CA2668069A1 publication Critical patent/CA2668069A1/en
Application granted granted Critical
Publication of CA2668069C publication Critical patent/CA2668069C/en
Expired - Fee Related 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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 by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties 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 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • 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
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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

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)
CA2668069A 2006-11-02 2007-11-02 Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same Expired - Fee Related CA2668069C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2006-0107917 2006-11-02
KR1020060107917A KR100851189B1 (ko) 2006-11-02 2006-11-02 저온인성이 우수한 초고강도 라인파이프용 강판 및 그제조방법
PCT/KR2007/005510 WO2008054166A1 (en) 2006-11-02 2007-11-02 Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same

Publications (2)

Publication Number Publication Date
CA2668069A1 CA2668069A1 (en) 2008-05-08
CA2668069C true CA2668069C (en) 2012-06-12

Family

ID=39344465

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2668069A Expired - Fee Related CA2668069C (en) 2006-11-02 2007-11-02 Steel plate for linepipe having ultra-high strength and excellent low temperature toughness and manufacturing method of the same

Country Status (6)

Country Link
US (2) US20100074794A1 (zh)
JP (1) JP5439184B2 (zh)
KR (1) KR100851189B1 (zh)
CN (1) CN101535518B (zh)
CA (1) CA2668069C (zh)
WO (1) WO2008054166A1 (zh)

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US20100215981A1 (en) * 2009-02-20 2010-08-26 Nucor Corporation Hot rolled thin cast strip product and method for making the same
US20110277886A1 (en) 2010-02-20 2011-11-17 Nucor Corporation Nitriding of niobium steel and product made thereby
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KR101304859B1 (ko) * 2009-12-04 2013-09-05 주식회사 포스코 표면균열 저항성이 우수한 초고강도 라인파이프용 강판 및 그 제조방법
KR101304824B1 (ko) 2009-12-28 2013-09-05 주식회사 포스코 라인 파이프용 ａｐｉ 강판 및 그 제조방법
KR101271974B1 (ko) * 2010-11-19 2013-06-07 주식회사 포스코 극저온 인성이 우수한 고강도 강재 및 그 제조방법
KR20120075274A (ko) * 2010-12-28 2012-07-06 주식회사 포스코 극저온 인성이 우수한 고강도 강판 및 그 제조방법
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CN102699031B (zh) * 2012-05-14 2014-03-26 莱芜钢铁集团有限公司 一种900MPa级超高韧性低合金钢及其制造方法
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KR101465088B1 (ko) * 2012-08-17 2014-11-26 포항공과대학교 산학협력단 저온 인성이 우수한 저탄소 고강도 강판 및 그 제조방법
KR101467049B1 (ko) * 2012-10-31 2014-12-01 현대제철 주식회사 라인파이프용 강판 및 그 제조 방법
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CN103484764B (zh) * 2013-09-11 2015-09-30 首钢总公司 Ti析出强化型超高强热轧薄板及其生产方法
JP5950045B2 (ja) * 2013-12-12 2016-07-13 Ｊｆｅスチール株式会社 鋼板およびその製造方法
KR101536471B1 (ko) * 2013-12-24 2015-07-13 주식회사 포스코 용접열영향부 인성이 우수한 초고강도 용접구조용 강재 및 이의 제조방법
US10837079B2 (en) 2014-01-24 2020-11-17 Rautaruukki Oyj Hot-rolled ultrahigh strength steel strip product
KR20160127808A (ko) 2014-03-31 2016-11-04 제이에프이 스틸 가부시키가이샤 고장력 강판 및 그 제조 방법
CN104328357B (zh) * 2014-10-28 2016-03-16 江阴兴澄特种钢铁有限公司 一种Ni-Mo低温高韧性X100管件用钢板及其制造方法
DE102014017273A1 (de) * 2014-11-18 2016-05-19 Salzgitter Flachstahl Gmbh Hochfester lufthärtender Mehrphasenstahl mit hervorragenden Verarbeitungseigenschaften und Verfahren zur Herstellung eines Bandes aus diesem Stahl
DE102014017274A1 (de) * 2014-11-18 2016-05-19 Salzgitter Flachstahl Gmbh Höchstfester lufthärtender Mehrphasenstahl mit hervorragenden Verarbeitungseigenschaften und Verfahren zur Herstellung eines Bandes aus diesem Stahl
JP6048621B1 (ja) * 2015-05-20 2016-12-21 新日鐵住金株式会社 高強度電縫鋼管、高強度電縫鋼管用の鋼板の製造方法、及び高強度電縫鋼管の製造方法
DE102015111177A1 (de) * 2015-07-10 2017-01-12 Salzgitter Flachstahl Gmbh Höchstfester Mehrphasenstahl und Verfahren zur Herstellung eines kaltgewalzten Stahlbandes hieraus
KR102348539B1 (ko) * 2015-12-24 2022-01-07 주식회사 포스코 저항복비형 고강도 강재 및 그 제조방법
KR101777974B1 (ko) * 2016-08-23 2017-09-12 현대제철 주식회사 철근 및 그 제조 방법
KR101899694B1 (ko) * 2016-12-23 2018-09-17 주식회사 포스코 저온 충격인성 및 ctod 특성이 우수한 후강판 및 그 제조방법
KR101908819B1 (ko) * 2016-12-23 2018-10-16 주식회사 포스코 저온에서의 파괴 개시 및 전파 저항성이 우수한 고강도 강재 및 그 제조방법
KR101949036B1 (ko) * 2017-10-11 2019-05-08 주식회사 포스코 저온 변형시효 충격특성이 우수한 후강판 및 그 제조방법
KR101977489B1 (ko) * 2017-11-03 2019-05-10 주식회사 포스코 저온인성이 우수한 용접강관용 강재, 용접후열처리된 강재 및 이들의 제조방법
KR102045641B1 (ko) * 2017-12-22 2019-11-15 주식회사 포스코 저온에서의 내파괴 특성이 우수한 극지 환경용 고강도 강재 및 그 제조방법
KR102031451B1 (ko) 2017-12-24 2019-10-11 주식회사 포스코 저온인성이 우수한 저항복비 고강도 강관용 강재 및 그 제조방법
EP3666911B1 (en) 2018-12-11 2021-08-18 SSAB Technology AB High-strength steel product and method of manufacturing the same
JP7398970B2 (ja) * 2019-04-22 2023-12-15 株式会社神戸製鋼所 厚鋼板およびその製造方法
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Also Published As

Publication number Publication date
CA2668069A1 (en) 2008-05-08
CN101535518B (zh) 2011-08-03
US20140158259A1 (en) 2014-06-12
WO2008054166A1 (en) 2008-05-08
KR20080040233A (ko) 2008-05-08
KR100851189B1 (ko) 2008-08-08
JP2010509494A (ja) 2010-03-25
JP5439184B2 (ja) 2014-03-12
CN101535518A (zh) 2009-09-16
US20100074794A1 (en) 2010-03-25

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