EP3124639A4 - Steel sheet for high-strength line pipe having excellent low temperature toughness, and steel tube for high-strength line pipe - Google Patents

Steel sheet for high-strength line pipe having excellent low temperature toughness, and steel tube for high-strength line pipe Download PDF

Info

Publication number
EP3124639A4
EP3124639A4 EP15770365.3A EP15770365A EP3124639A4 EP 3124639 A4 EP3124639 A4 EP 3124639A4 EP 15770365 A EP15770365 A EP 15770365A EP 3124639 A4 EP3124639 A4 EP 3124639A4
Authority
EP
European Patent Office
Prior art keywords
line pipe
strength line
low temperature
excellent low
temperature toughness
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
EP15770365.3A
Other languages
German (de)
French (fr)
Other versions
EP3124639A1 (en
EP3124639B1 (en
Inventor
Yoshiyuki Kobayashi
Haruya KAWANO
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP3124639A1 publication Critical patent/EP3124639A1/en
Publication of EP3124639A4 publication Critical patent/EP3124639A4/en
Application granted granted Critical
Publication of EP3124639B1 publication Critical patent/EP3124639B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/18—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
    • 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 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
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • 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
    • C22C38/12—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
    • 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
    • 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

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)
EP15770365.3A 2014-03-28 2015-03-25 Steel sheet for high-strength line pipe having excellent low temperature toughness, and steel tube for high-strength line pipe Active EP3124639B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014070279A JP6343472B2 (en) 2014-03-28 2014-03-28 Steel sheets for high-strength line pipes and steel pipes for high-strength line pipes with excellent low-temperature toughness
PCT/JP2015/059122 WO2015147055A1 (en) 2014-03-28 2015-03-25 Steel sheet for high-strength line pipe having excellent low temperature toughness, and steel tube for high-strength line pipe

Publications (3)

Publication Number Publication Date
EP3124639A1 EP3124639A1 (en) 2017-02-01
EP3124639A4 true EP3124639A4 (en) 2017-11-15
EP3124639B1 EP3124639B1 (en) 2022-07-13

Family

ID=54195566

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15770365.3A Active EP3124639B1 (en) 2014-03-28 2015-03-25 Steel sheet for high-strength line pipe having excellent low temperature toughness, and steel tube for high-strength line pipe

Country Status (5)

Country Link
EP (1) EP3124639B1 (en)
JP (1) JP6343472B2 (en)
KR (1) KR102041770B1 (en)
CN (1) CN106103778B (en)
WO (1) WO2015147055A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016199806A (en) * 2015-04-10 2016-12-01 株式会社神戸製鋼所 Steel plate for high strength line pipe and steel pipe for high strength line pipe excellent in low temperature toughness

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2980238A1 (en) * 2013-03-29 2016-02-03 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel plate with excellent hydrogen-induced cracking resistance and toughness, and line pipe steel tube
EP3018231A1 (en) * 2013-07-01 2016-05-11 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel plate having excellent hydrogen-induced-cracking resistance and toughness, and steel tube for line pipe

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0920921A (en) * 1995-06-30 1997-01-21 Kobe Steel Ltd Production of high toughness steel plate by means of separation
JPH1171615A (en) * 1997-08-29 1999-03-16 Nippon Steel Corp Production of thick steel plate excellent in low temperature toughness
JP4660034B2 (en) * 2001-08-27 2011-03-30 新日本製鐵株式会社 A non-water-cooled manufacturing method of an X70 grade steel plate having a high impact absorption energy and a thickness of 15 mm or less.
JP4705287B2 (en) * 2001-09-20 2011-06-22 新日本製鐵株式会社 Non-water-cooled manufacturing method for thin high-strength steel sheet with high absorbed energy
JP5472423B2 (en) 2005-03-29 2014-04-16 Ｊｆｅスチール株式会社 High-strength, high-toughness steel plate with excellent cutting crack resistance
WO2011027900A1 (en) * 2009-09-02 2011-03-10 新日本製鐵株式会社 High-strength steel plate and high-strength steel pipe with superior low-temperature toughness for use in line pipes
JP5747398B2 (en) * 2009-11-20 2015-07-15 国立研究開発法人物質・材料研究機構 High strength steel
JP5621478B2 (en) * 2010-09-29 2014-11-12 Ｊｆｅスチール株式会社 High toughness and high deformation steel plate for high strength steel pipe and method for producing the same
JP5472071B2 (en) * 2010-12-13 2014-04-16 新日鐵住金株式会社 Steel for line pipe
JP5741483B2 (en) 2012-02-27 2015-07-01 新日鐵住金株式会社 High-strength hot-rolled steel sheet for line pipes with excellent on-site weldability and manufacturing method thereof
JP5824401B2 (en) * 2012-03-30 2015-11-25 株式会社神戸製鋼所 Steel sheet with excellent resistance to hydrogen-induced cracking and method for producing the same
CN102851587B (en) * 2012-09-06 2014-02-12 江苏沙钢集团有限公司 Anti-deformation X80-X100 pipeline steel plate

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2980238A1 (en) * 2013-03-29 2016-02-03 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel plate with excellent hydrogen-induced cracking resistance and toughness, and line pipe steel tube
EP3018231A1 (en) * 2013-07-01 2016-05-11 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel plate having excellent hydrogen-induced-cracking resistance and toughness, and steel tube for line pipe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015147055A1 *

Also Published As

Publication number Publication date
JP6343472B2 (en) 2018-06-13
CN106103778A (en) 2016-11-09
JP2015190042A (en) 2015-11-02
EP3124639A1 (en) 2017-02-01
CN106103778B (en) 2019-03-22
WO2015147055A1 (en) 2015-10-01
KR20160118360A (en) 2016-10-11
KR102041770B1 (en) 2019-11-07
EP3124639B1 (en) 2022-07-13

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