EP2236631A4 - Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding - Google Patents

Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding Download PDF

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Publication number
EP2236631A4
EP2236631A4 EP08857772.1A EP08857772A EP2236631A4 EP 2236631 A4 EP2236631 A4 EP 2236631A4 EP 08857772 A EP08857772 A EP 08857772A EP 2236631 A4 EP2236631 A4 EP 2236631A4
Authority
EP
European Patent Office
Prior art keywords
heat
toughness
steel plate
strength steel
brittle fracture
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.)
Withdrawn
Application number
EP08857772.1A
Other languages
German (de)
French (fr)
Other versions
EP2236631A1 (en
Inventor
Akihiko Kojima
Yoichi Tanaka
Hiroyuki Shirahata
Kiyotaka Nakashima
Yoshihide Nagai
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel and Sumitomo Metal 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 Nippon Steel and Sumitomo Metal Corp filed Critical Nippon Steel and Sumitomo Metal Corp
Publication of EP2236631A1 publication Critical patent/EP2236631A1/en
Publication of EP2236631A4 publication Critical patent/EP2236631A4/en
Withdrawn legal-status Critical Current

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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
    • C22C38/04—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
    • C21D8/0221—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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/11—Making amorphous 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
    • C22C38/001—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
    • C22C38/002—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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C21D2211/004—Dispersions; Precipitations
    • 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

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)
  • Metal Rolling (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP08857772.1A 2007-12-06 2008-12-04 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding Withdrawn EP2236631A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007315840 2007-12-06
PCT/JP2008/072051 WO2009072559A1 (en) 2007-12-06 2008-12-04 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding

Publications (2)

Publication Number Publication Date
EP2236631A1 EP2236631A1 (en) 2010-10-06
EP2236631A4 true EP2236631A4 (en) 2017-03-29

Family

ID=40717736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08857772.1A Withdrawn EP2236631A4 (en) 2007-12-06 2008-12-04 Process for producing thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding and thick high-strength steel plate excellent in brittle fracture arrestability and toughness of zone affected by heat in large-heat-input welding

Country Status (6)

Country Link
EP (1) EP2236631A4 (en)
JP (1) JP4612735B2 (en)
KR (1) KR101070093B1 (en)
CN (1) CN101578380B (en)
TW (1) TWI346706B (en)
WO (1) WO2009072559A1 (en)

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KR101176612B1 (en) * 2009-06-11 2012-08-23 신닛뽄세이테쯔 카부시키카이샤 Process for producing thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding and thick high-strength steel plate with excellent toughness of heat-affected zone in high heat input welding
CN102741443B (en) * 2010-02-04 2015-09-09 新日铁住金株式会社 High strength welded steelpipe and manufacture method thereof
CN102286692B (en) * 2010-06-21 2013-09-04 宝山钢铁股份有限公司 Hardened and tempered low-temperature steel and manufacture method thereof
CN102400053B (en) * 2010-09-07 2014-03-12 鞍钢股份有限公司 Steel plate with yield strength of 460MPa for building structure and manufacturing method thereof
CN103221565B (en) * 2010-11-22 2016-04-27 新日铁住金株式会社 Electro-beam welding joint and electrons leaves welding steel plate and its manufacture method
CN103210107B (en) * 2010-11-22 2015-09-09 新日铁住金株式会社 Electro-beam welding joint and electrons leaves welding steel and manufacture method thereof
KR101271885B1 (en) * 2010-12-22 2013-06-05 주식회사 포스코 High strength steel plate having excellent toughness and method for producing the same
US9403242B2 (en) 2011-03-24 2016-08-02 Nippon Steel & Sumitomo Metal Corporation Steel for welding
MX360333B (en) * 2011-07-29 2018-10-29 Nippon Steel & Sumitomo Metal Corp High-strength steel sheet having superior impact resistance, method for producing same, high-strength galvanized steel sheet, and method for producing same.
BR112014012265B1 (en) * 2011-11-25 2018-12-18 Nippon Steel & Sumitomo Metal Corporation welding steel
JP5811044B2 (en) * 2012-06-13 2015-11-11 新日鐵住金株式会社 Thick high-strength steel sheet excellent in weldability and weld heat-affected zone toughness and method for producing the same
CN105102651B (en) * 2013-03-26 2018-01-05 杰富意钢铁株式会社 The Large Heat Input Welding high-strength steel sheet and its manufacture method of excellent in brittle-cracking propagation stopping characteristics
BR112015020815B1 (en) * 2013-03-26 2021-06-29 Jfe Steel Corporation HIGH STRENGTH THICK STEEL SHEET FOR HIGH HEAT WELDING WITH EXCELLENT FRAGILE BREAKAGE INTERRUPTION CAPACITY AND METHOD FOR MANUFACTURING THE SAME
KR101505290B1 (en) * 2013-05-31 2015-03-23 현대제철 주식회사 Steel sheet for line pipe and method of manufacturing the same
CN103695777B (en) * 2013-12-20 2016-06-22 宝山钢铁股份有限公司 The steel plate of a kind of welding heat influence area toughness excellence and manufacture method thereof
CN104404369B (en) * 2014-11-27 2017-01-25 宝山钢铁股份有限公司 Thick steel plate capable of being welded at large heat input and manufacturing method thereof
RU2679499C1 (en) * 2015-03-26 2019-02-11 ДжФЕ СТИЛ КОРПОРЕЙШН Sheet steel for construction pipes or tubes, method of manufacture of sheet steel for construction pipes or tubes and construction pipes and tubes
CN105296855B (en) * 2015-11-25 2017-06-23 钢铁研究总院 Can Large Heat Input Welding offshore platform steel plate and preparation method
JP6665515B2 (en) * 2015-12-15 2020-03-13 日本製鉄株式会社 Sour-resistant steel plate
RU2653954C2 (en) * 2016-02-02 2018-05-15 Открытое акционерное общество "Магнитогорский металлургический комбинат" Method of manufacturing thick-sheet rolled stock for manufacturing of electrically welded gas-and-oil pipes of large diameter category x42-x56, resistant against hydrogen-induced cracking in h2s-containing media
CN109072383B (en) * 2016-04-21 2021-02-09 日本制铁株式会社 Thick steel plate
JP6834550B2 (en) * 2017-02-08 2021-02-24 日本製鉄株式会社 Steel materials for tanks and their manufacturing methods
JP6926772B2 (en) * 2017-07-21 2021-08-25 日本製鉄株式会社 Steel plate
KR20230159634A (en) * 2018-12-07 2023-11-21 제이에프이 스틸 가부시키가이샤 Steel plate and production method therefor
KR20220147125A (en) * 2020-08-31 2022-11-02 닛폰세이테츠 가부시키가이샤 Steel plate and its manufacturing method
KR20220147126A (en) * 2020-08-31 2022-11-02 닛폰세이테츠 가부시키가이샤 Steel plate and its manufacturing method
WO2022045350A1 (en) * 2020-08-31 2022-03-03 日本製鉄株式会社 Steel sheet and method for manufacturing same
CN116194602A (en) * 2020-11-05 2023-05-30 杰富意钢铁株式会社 Steel sheet and method for producing same
CN113416880A (en) * 2021-05-28 2021-09-21 包头钢铁（集团）有限责任公司 Preparation method of rare earth microalloyed high-corrosion-resistance 690 MPa-grade high-strength steel
CN114752724B (en) * 2022-05-25 2023-05-16 宝武集团鄂城钢铁有限公司 750 MPa-grade bridge steel with excellent low internal stress welding performance and preparation method thereof
CN117737596A (en) * 2024-02-20 2024-03-22 上海大学 Steel plate with excellent toughness of heat affected zone of high heat input welding and manufacturing method thereof

Citations (4)

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JPH1088275A (en) * 1996-09-19 1998-04-07 Kawasaki Steel Corp High tensile strength steel for welded structure, excellent in toughness in weld heat-affected zone and weld crack resistance
JPH11229078A (en) * 1998-02-16 1999-08-24 Kobe Steel Ltd High tensile strength steel plate excellent in toughness of parent metal and large heat-input weld heat affected zone and its production
EP1035222A1 (en) * 1999-03-10 2000-09-13 Kawasaki Steel Corporation Continuous casting slab suitable for the production of non-tempered high tensile steel material
JP2007046096A (en) * 2005-08-09 2007-02-22 Nippon Steel Corp Method for producing thick high strength steel plate having excellent toughness, and thick high strength steel plate having excellent toughness

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JP3387371B2 (en) * 1997-07-18 2003-03-17 住友金属工業株式会社 High tensile steel excellent in arrestability and weldability and manufacturing method
JP3699657B2 (en) * 2000-05-09 2005-09-28 新日本製鐵株式会社 Thick steel plate with yield strength of 460 MPa or more with excellent CTOD characteristics of the heat affected zone
CN1946862B (en) * 2004-04-07 2012-08-29 新日本制铁株式会社 Thick high strength steel plate having excellent low temperature toughness in welding heat affected zone caused by high heat input welding
JP4276574B2 (en) 2004-04-12 2009-06-10 新日本製鐵株式会社 Thick steel plate with excellent toughness of heat affected zone
JP4358707B2 (en) * 2004-08-24 2009-11-04 新日本製鐵株式会社 High-tensile steel material having excellent weldability and toughness and tensile strength of 550 MPa class or higher and method for producing the same
JP4901262B2 (en) 2006-03-29 2012-03-21 新日本製鐵株式会社 Thick steel plate with excellent toughness of heat affected zone
JP2007284712A (en) 2006-04-13 2007-11-01 Nippon Steel Corp Method for producing thick high-strength steel plate excellent in toughness and thick high-strength steel plate excellent in toughness
JP2007315840A (en) 2006-05-24 2007-12-06 Delta Kogyo Co Ltd Device and method for measuring mechanical impedance of flexible deformable object

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1088275A (en) * 1996-09-19 1998-04-07 Kawasaki Steel Corp High tensile strength steel for welded structure, excellent in toughness in weld heat-affected zone and weld crack resistance
JPH11229078A (en) * 1998-02-16 1999-08-24 Kobe Steel Ltd High tensile strength steel plate excellent in toughness of parent metal and large heat-input weld heat affected zone and its production
EP1035222A1 (en) * 1999-03-10 2000-09-13 Kawasaki Steel Corporation Continuous casting slab suitable for the production of non-tempered high tensile steel material
JP2007046096A (en) * 2005-08-09 2007-02-22 Nippon Steel Corp Method for producing thick high strength steel plate having excellent toughness, and thick high strength steel plate having excellent toughness

Non-Patent Citations (1)

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Title
See also references of WO2009072559A1 *

Also Published As

Publication number Publication date
TW200932925A (en) 2009-08-01
KR20090097167A (en) 2009-09-15
TWI346706B (en) 2011-08-11
JP4612735B2 (en) 2011-01-12
EP2236631A1 (en) 2010-10-06
KR101070093B1 (en) 2011-10-04
CN101578380A (en) 2009-11-11
CN101578380B (en) 2011-01-12
JPWO2009072559A1 (en) 2011-04-28
WO2009072559A1 (en) 2009-06-11

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