EP2623625A4 - Steel plate for line pipe, having excellent hydrogen induced crack resistance, and preparation method thereof - Google Patents

Steel plate for line pipe, having excellent hydrogen induced crack resistance, and preparation method thereof Download PDF

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Publication number
EP2623625A4
EP2623625A4 EP11829490.9A EP11829490A EP2623625A4 EP 2623625 A4 EP2623625 A4 EP 2623625A4 EP 11829490 A EP11829490 A EP 11829490A EP 2623625 A4 EP2623625 A4 EP 2623625A4
Authority
EP
European Patent Office
Prior art keywords
preparation
steel plate
crack resistance
line pipe
excellent hydrogen
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
EP11829490.9A
Other languages
German (de)
French (fr)
Other versions
EP2623625B1 (en
EP2623625A2 (en
Inventor
Kyu-Tae Kim
Myung-Jin Lee
Kyu-Heop Park
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.)
Hyundai Steel Co
Original Assignee
Hyundai Steel Co
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 Hyundai Steel Co filed Critical Hyundai Steel Co
Publication of EP2623625A2 publication Critical patent/EP2623625A2/en
Publication of EP2623625A4 publication Critical patent/EP2623625A4/en
Application granted granted Critical
Publication of EP2623625B1 publication Critical patent/EP2623625B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/0221—Modifying the physical properties 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 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
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/06—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/46—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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
EP11829490.9A 2010-09-29 2011-08-29 Steel plate for pipe line, having excellent hydrogen induced crack resistance, and preparation method thereof Active EP2623625B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20100094599 2010-09-29
PCT/KR2011/006373 WO2012043984A2 (en) 2010-09-29 2011-08-29 Steel plate for line pipe, having excellent hydrogen induced crack resistance, and preparation method thereof
KR1020110086685A KR101344638B1 (en) 2010-09-29 2011-08-29 Line pipe steel with excellent hic resistance and method of manufacturing the line pipe steel

Publications (3)

Publication Number Publication Date
EP2623625A2 EP2623625A2 (en) 2013-08-07
EP2623625A4 true EP2623625A4 (en) 2017-09-27
EP2623625B1 EP2623625B1 (en) 2018-10-24

Family

ID=46136105

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11829490.9A Active EP2623625B1 (en) 2010-09-29 2011-08-29 Steel plate for pipe line, having excellent hydrogen induced crack resistance, and preparation method thereof

Country Status (4)

Country Link
US (1) US20130224063A1 (en)
EP (1) EP2623625B1 (en)
KR (1) KR101344638B1 (en)
WO (1) WO2012043984A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6086086B2 (en) * 2014-03-19 2017-03-01 Ｊｆｅスチール株式会社 Ultra-thick steel plate with excellent HIC resistance and manufacturing method thereof
KR101736638B1 (en) * 2015-12-23 2017-05-30 주식회사 포스코 Pressure vessel steel plate with excellent hydrogen induced cracking resistance and manufacturing method thereof
KR101867701B1 (en) * 2016-11-11 2018-06-15 주식회사 포스코 Pressure vessel steel plate with excellent hydrogen induced cracking resistance and manufacturing method thereof
JP6344538B1 (en) * 2017-09-19 2018-06-20 新日鐵住金株式会社 Steel pipe and steel plate
KR101988771B1 (en) * 2017-12-22 2019-09-30 주식회사 포스코 Steel having excellent hydrogen induced cracking resistance and longitudinal strength unifomity and method for manufacturing the same
US20210054473A1 (en) * 2018-03-19 2021-02-25 Tata Steel Limited Steel composition in accordance with api 5l psl-2 specification for x-65 grade having enhanced hydrogen induced cracking (hic) resistance, and method of manufacturing the steel thereof
CN112912532B (en) * 2018-10-26 2022-08-12 株式会社Posco High-strength steel material having excellent sulfide stress corrosion cracking resistance and method for producing same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195057A (en) * 1991-07-31 1993-08-03 Kawasaki Steel Corp Production of high cr steel type uoe steel sheet and high cr type atmosphere corrosion resisting steel sheet both excellent in ys characteristic in l direction
JPH11279639A (en) * 1998-03-30 1999-10-12 Nkk Corp Production of steel plate for high strength linepipe excellent in hic resistance
KR20070098678A (en) * 2006-03-31 2007-10-05 가부시키가이샤 고베 세이코쇼 Method of manufacturing a press bended cold formed circular steel excellent in earthquake-proof performance
EP1867742A1 (en) * 2005-04-04 2007-12-19 Nippon Steel Corporation High-strength steel sheet and high-strength welded steel pipe excelling in ductile fracture performance and process for producing them

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100627461B1 (en) 1999-12-28 2006-09-22 주식회사 포스코 Method of manufacturing hot rolling steel sheet having high strength for linepipe
KR20080042495A (en) * 2006-11-10 2008-05-15 주식회사 포스코 High strength hot-rolled bending pipe having excellent hydrogen induced crack resistance and the method for manufacturing the same
US20090301613A1 (en) * 2007-08-30 2009-12-10 Jayoung Koo Low Yield Ratio Dual Phase Steel Linepipe with Superior Strain Aging Resistance
JP2009235516A (en) * 2008-03-27 2009-10-15 Kobe Steel Ltd 590 MPa CLASS HIGH YIELD RATIO CIRCULAR STEEL PIPE FOR BUILDING STRUCTURE HAVING EXCELLENT EARTHQUAKE RESISTANCE, AND METHOD FOR PRODUCING THE SAME

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195057A (en) * 1991-07-31 1993-08-03 Kawasaki Steel Corp Production of high cr steel type uoe steel sheet and high cr type atmosphere corrosion resisting steel sheet both excellent in ys characteristic in l direction
JPH11279639A (en) * 1998-03-30 1999-10-12 Nkk Corp Production of steel plate for high strength linepipe excellent in hic resistance
EP1867742A1 (en) * 2005-04-04 2007-12-19 Nippon Steel Corporation High-strength steel sheet and high-strength welded steel pipe excelling in ductile fracture performance and process for producing them
KR20070098678A (en) * 2006-03-31 2007-10-05 가부시키가이샤 고베 세이코쇼 Method of manufacturing a press bended cold formed circular steel excellent in earthquake-proof performance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012043984A2 *

Also Published As

Publication number Publication date
EP2623625B1 (en) 2018-10-24
WO2012043984A2 (en) 2012-04-05
EP2623625A2 (en) 2013-08-07
WO2012043984A3 (en) 2012-05-24
US20130224063A1 (en) 2013-08-29
KR101344638B1 (en) 2014-01-16
KR20120033235A (en) 2012-04-06

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