EP2927338A4 - HOT-ROLLED STEEL PLATE FOR HIGH-STRENGTH LINE PIPE AND HAVING TENSILE STRENGTH OF AT LEAST 540 MPa - Google Patents

HOT-ROLLED STEEL PLATE FOR HIGH-STRENGTH LINE PIPE AND HAVING TENSILE STRENGTH OF AT LEAST 540 MPa

Info

Publication number
EP2927338A4
EP2927338A4 EP14742727.2A EP14742727A EP2927338A4 EP 2927338 A4 EP2927338 A4 EP 2927338A4 EP 14742727 A EP14742727 A EP 14742727A EP 2927338 A4 EP2927338 A4 EP 2927338A4
Authority
EP
European Patent Office
Prior art keywords
strength
mpa
hot
steel plate
rolled steel
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
EP14742727.2A
Other languages
German (de)
French (fr)
Other versions
EP2927338B1 (en
EP2927338A1 (en
Inventor
Sota Goto
Shunsuke Toyoda
Takatoshi Okabe
Yukihiko Okazaki
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2927338A1 publication Critical patent/EP2927338A1/en
Publication of EP2927338A4 publication Critical patent/EP2927338A4/en
Application granted granted Critical
Publication of EP2927338B1 publication Critical patent/EP2927338B1/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
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • 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
    • C22C38/08—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
    • C22C38/12—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
    • C22C38/16—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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
    • C22C38/44—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
    • 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

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)
EP14742727.2A 2013-01-24 2014-01-23 HOT-ROLLED STEEL PLATE FOR HIGH-STRENGTH LINE PIPE AND HAVING TENSILE STRENGTH OF AT LEAST 540 MPa Active EP2927338B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013010977 2013-01-24
PCT/JP2014/000319 WO2014115548A1 (en) 2013-01-24 2014-01-23 HOT-ROLLED STEEL PLATE FOR HIGH-STRENGTH LINE PIPE AND HAVING TENSILE STRENGTH OF AT LEAST 540 MPa

Publications (3)

Publication Number Publication Date
EP2927338A1 EP2927338A1 (en) 2015-10-07
EP2927338A4 true EP2927338A4 (en) 2015-12-16
EP2927338B1 EP2927338B1 (en) 2016-11-02

Family

ID=51227340

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14742727.2A Active EP2927338B1 (en) 2013-01-24 2014-01-23 HOT-ROLLED STEEL PLATE FOR HIGH-STRENGTH LINE PIPE AND HAVING TENSILE STRENGTH OF AT LEAST 540 MPa

Country Status (6)

Country Link
US (1) US20150368737A1 (en)
EP (1) EP2927338B1 (en)
JP (1) JP5884201B2 (en)
KR (1) KR20150088320A (en)
CN (1) CN104937124A (en)
WO (1) WO2014115548A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105132833B (en) * 2015-10-10 2017-12-08 武汉钢铁有限公司 A kind of economical high intensity submerged pipeline steel and production method
CN105112808B (en) * 2015-10-10 2017-06-13 武汉钢铁(集团)公司 A kind of high intensity marine riser steel and production method
KR101867701B1 (en) 2016-11-11 2018-06-15 주식회사 포스코 Pressure vessel steel plate with excellent hydrogen induced cracking resistance and manufacturing method thereof
CN109536847B (en) * 2017-09-21 2020-12-08 上海梅山钢铁股份有限公司 Hot rolled steel plate for welded pipe with yield strength of 390MPa and manufacturing method thereof
RU2735605C1 (en) * 2017-09-28 2020-11-05 ДжФЕ СТИЛ КОРПОРЕЙШН High-strength plate steel for main pipes resistant to high-sulfur oil gas, and method of its production, and high-strength steel pipe using high-strength plate steel for main pipes resistant to high-sulfur oil gas
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
CN108998746B (en) * 2017-12-25 2020-01-07 武汉科技大学 X70 grade pipeline steel with high HIC resistance and preparation method thereof
KR102497360B1 (en) * 2018-09-28 2023-02-08 제이에프이 스틸 가부시키가이샤 High strength steel plate for sour-resistant line pipe and method for manufacturing same, and high strength steel pipe using high strength steel plate for sour-resistant line pipe
CN111378893A (en) * 2018-12-28 2020-07-07 上海梅山钢铁股份有限公司 Hot-rolled steel plate for longitudinal welded pipe with yield strength of 290MPa
CN113406291A (en) * 2021-06-29 2021-09-17 西安热工研究院有限公司 Quality verification method of structural steel plate for wind power tower

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006274338A (en) * 2005-03-29 2006-10-12 Jfe Steel Kk Hot rolled steel sheet for sour resistant high strength electric resistance welded pipe having excellent hic resistance and weld zone toughness, and method for producing the same
JP2012241266A (en) * 2011-05-24 2012-12-10 Jfe Steel Corp Steel pipe for sour resistant line pipe having high compressive strength and method for producing the same

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2647302B2 (en) 1992-03-30 1997-08-27 新日本製鐵株式会社 Method for producing high-strength steel sheet with excellent resistance to hydrogen-induced cracking
JPH06271974A (en) * 1993-03-18 1994-09-27 Nippon Steel Corp Line pipe excellent in hydrogen induced cracking resistance
JPH06306530A (en) * 1993-04-26 1994-11-01 Nippon Steel Corp Low-medium strength uoe line pipe excellent in sulfide stress cracking resistance in weld zone
JPH07216500A (en) * 1994-01-28 1995-08-15 Sumitomo Metal Ind Ltd High strength steel material excellent in corrosion resistance and its production
US5545269A (en) * 1994-12-06 1996-08-13 Exxon Research And Engineering Company Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability
JPH0941083A (en) * 1995-07-28 1997-02-10 Nkk Corp Resistance welded tube excellent in hic resistance and sscc resistance and its production
JP3869747B2 (en) * 2002-04-09 2007-01-17 新日本製鐵株式会社 High-strength steel plate, high-strength steel pipe and manufacturing method excellent in deformation performance
JP4341396B2 (en) * 2003-03-27 2009-10-07 Ｊｆｅスチール株式会社 High strength hot rolled steel strip for ERW pipes with excellent low temperature toughness and weldability
JP4363403B2 (en) 2004-02-04 2009-11-11 住友金属工業株式会社 Steel for line pipe excellent in HIC resistance and line pipe manufactured using the steel
JP4305216B2 (en) * 2004-02-24 2009-07-29 Ｊｆｅスチール株式会社 Hot-rolled steel sheet for sour-resistant high-strength ERW steel pipe with excellent weld toughness and method for producing the same
JP4802450B2 (en) * 2004-03-17 2011-10-26 Ｊｆｅスチール株式会社 Thick hot-rolled steel sheet with excellent HIC resistance and manufacturing method thereof
JP4375087B2 (en) * 2004-03-31 2009-12-02 Ｊｆｅスチール株式会社 High strength and high toughness hot-rolled steel strip with excellent material homogeneity and manufacturing method thereof
JP2006063351A (en) 2004-08-24 2006-03-09 Sumitomo Metal Ind Ltd High strength steel plate with excellent hydrogen induced cracking resistance, its manufacturing method, and steel pipe for line pipe
BRPI0617763A2 (en) * 2005-10-24 2011-08-02 Exxonmobil Upstream Res Co high strength double phase steel with low deformation ratio, high hardness and superior casting capacity
US20120018056A1 (en) * 2009-01-30 2012-01-26 Jfe Steel Corporation Thick-walled high-strength hot rolled steel sheet having excellent hydrogen induced cracking resistance and manufacturing method thereof
JP2011063840A (en) 2009-09-16 2011-03-31 Sumitomo Metal Ind Ltd Steel sheet having excellent hic resistance and uoe steel pipe
JP5776377B2 (en) * 2011-06-30 2015-09-09 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet for welded steel pipes for line pipes with excellent sour resistance and method for producing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006274338A (en) * 2005-03-29 2006-10-12 Jfe Steel Kk Hot rolled steel sheet for sour resistant high strength electric resistance welded pipe having excellent hic resistance and weld zone toughness, and method for producing the same
JP2012241266A (en) * 2011-05-24 2012-12-10 Jfe Steel Corp Steel pipe for sour resistant line pipe having high compressive strength and method for producing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014115548A1 *

Also Published As

Publication number Publication date
WO2014115548A1 (en) 2014-07-31
EP2927338B1 (en) 2016-11-02
EP2927338A1 (en) 2015-10-07
CN104937124A (en) 2015-09-23
US20150368737A1 (en) 2015-12-24
JPWO2014115548A1 (en) 2017-01-26
JP5884201B2 (en) 2016-03-15
KR20150088320A (en) 2015-07-31

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