EP2799584A4 - High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor - Google Patents

High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor

Info

Publication number
EP2799584A4
EP2799584A4 EP12863408.6A EP12863408A EP2799584A4 EP 2799584 A4 EP2799584 A4 EP 2799584A4 EP 12863408 A EP12863408 A EP 12863408A EP 2799584 A4 EP2799584 A4 EP 2799584A4
Authority
EP
European Patent Office
Prior art keywords
construction
steel plate
production method
method therefor
excellent characteristics
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
EP12863408.6A
Other languages
German (de)
French (fr)
Other versions
EP2799584B1 (en
EP2799584A1 (en
Inventor
Yoshiko Takeuchi
Kazukuni Hase
Shinji Mitao
Yoshiaki Murakami
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 EP2799584A1 publication Critical patent/EP2799584A1/en
Publication of EP2799584A4 publication Critical patent/EP2799584A4/en
Application granted granted Critical
Publication of EP2799584B1 publication Critical patent/EP2799584B1/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
    • 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
    • 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
    • C22C38/001—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
    • C22C38/04—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
    • 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
    • C21D2201/00—Treatment for obtaining particular effects
    • C21D2201/05—Grain orientation
    • 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
EP12863408.6A 2011-12-27 2012-05-18 Production method for a high-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, Active EP2799584B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011285570 2011-12-27
JP2012111158A JP5304925B2 (en) 2011-12-27 2012-05-15 Structural high-strength thick steel plate with excellent brittle crack propagation stopping characteristics and method for producing the same
PCT/JP2012/063409 WO2013099318A1 (en) 2011-12-27 2012-05-18 High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor

Publications (3)

Publication Number Publication Date
EP2799584A1 EP2799584A1 (en) 2014-11-05
EP2799584A4 true EP2799584A4 (en) 2015-01-07
EP2799584B1 EP2799584B1 (en) 2019-01-02

Family

ID=48696841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12863408.6A Active EP2799584B1 (en) 2011-12-27 2012-05-18 Production method for a high-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks,

Country Status (6)

Country Link
EP (1) EP2799584B1 (en)
JP (1) JP5304925B2 (en)
KR (1) KR101588258B1 (en)
CN (1) CN104024462B (en)
BR (1) BR112014015779B1 (en)
WO (1) WO2013099318A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR101523229B1 (en) * 2013-11-28 2015-05-28 한국생산기술연구원 Metal material with improved low temperature property and manufacturing method thereof
JP5950045B2 (en) * 2013-12-12 2016-07-13 Ｊｆｅスチール株式会社 Steel sheet and manufacturing method thereof
WO2015151519A1 (en) 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 High-tensile-strength steel plate and process for producing same
CN107109590A (en) * 2014-12-24 2017-08-29 Posco公司 The high strength steel and its manufacture method for the resistant expansibility excellent of resistance to brittle crack
WO2016105064A1 (en) * 2014-12-24 2016-06-30 주식회사 포스코 High-strength steel having excellent resistance to brittle crack propagation, and production method therefor
KR101657827B1 (en) * 2014-12-24 2016-09-20 주식회사 포스코 Steel having excellent in resistibility of brittle crack arrestbility and manufacturing method thereof
JP6788589B2 (en) * 2014-12-24 2020-11-25 ポスコＰｏｓｃｏ High-strength steel with excellent brittle crack propagation resistance and its manufacturing method
KR102092000B1 (en) 2015-09-18 2020-03-23 제이에프이 스틸 가부시키가이샤 High-strength thick steel plate for structural use and manufacturing method therefor
KR102192969B1 (en) * 2016-02-24 2020-12-18 제이에프이 스틸 가부시키가이샤 High-strength ultra-thick steel sheet with excellent brittle crack propagation stopping properties and its manufacturing method
RU2630086C1 (en) * 2016-06-14 2017-09-05 Федеральное государственное бюджетное образовательное учреждение высшего образования "Калининградский государственный технический университет" Low silica shipbuilding steel
JP6274375B1 (en) * 2016-08-09 2018-02-07 Ｊｆｅスチール株式会社 High strength thick steel plate and manufacturing method thereof
KR102239631B1 (en) * 2016-08-09 2021-04-12 제이에프이 스틸 가부시키가이샤 High-strength thick steel plate and its manufacturing method
WO2018030171A1 (en) * 2016-08-09 2018-02-15 Ｊｆｅスチール株式会社 High-strength thick steel plate and production method therefor

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004143555A (en) * 2002-10-25 2004-05-20 Jfe Steel Kk Method for manufacturing steel product for low temperature use having excellent stress corrosion cracking resistance
JP2007254767A (en) * 2006-03-20 2007-10-04 Nippon Steel Corp Welded joint of high-tensile strength thick steel plate
JP2008214652A (en) * 2007-02-28 2008-09-18 Jfe Steel Kk High strength thick steel plate for structural purpose having excellent brittle crack propagation arrest property, and method for producing the same
JP2008261030A (en) * 2007-04-13 2008-10-30 Nippon Steel Corp Method of manufacturing thick high-strength steel plate excellent in brittle crack propagation stopping characteristic
JP2009068050A (en) * 2007-09-11 2009-04-02 Kobe Steel Ltd High tensile steel sheet for high heat input welding excellent in base material low-temperature toughness
JP2009185343A (en) * 2008-02-07 2009-08-20 Jfe Steel Corp High strength thick steel plate having excellent toughness in high heat input weld zone and brittle crack propagation arrest property, and method for producing the same
JP2011052243A (en) * 2009-08-31 2011-03-17 Nippon Steel Corp Method for manufacturing thick high-strength steel sheet superior in characteristics of stopping propagation of brittle crack
JP2011105963A (en) * 2009-11-12 2011-06-02 Nippon Steel Corp Method for manufacturing low yield ratio high tensile strength steel plate excellent in low temperature toughness

Family Cites Families (10)

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JPH07100814B2 (en) * 1990-09-28 1995-11-01 新日本製鐵株式会社 Method for producing steel sheet with excellent brittle crack propagation arresting properties and low temperature toughness
JP2659661B2 (en) 1993-01-06 1997-09-30 新日本製鐵株式会社 Structural steel for welding with excellent brittle fracture propagation stopping performance at joints and method of manufacturing the same
JPH07100814A (en) 1993-10-04 1995-04-18 Sekisui Chem Co Ltd Manufacture of cement molded item
JPH08209239A (en) * 1995-02-01 1996-08-13 Kobe Steel Ltd Production of thick steel for low temperature use having brittle fracture propagation stop characteristic at lower than-50×c
JP3548349B2 (en) 1996-09-18 2004-07-28 新日本製鐵株式会社 Structural steel sheet with excellent brittle fracture resistance after plastic deformation
JP3467767B2 (en) 1998-03-13 2003-11-17 Ｊｆｅスチール株式会社 Steel with excellent brittle crack arrestability and method of manufacturing the same
JP4077167B2 (en) 2001-02-28 2008-04-16 株式会社神戸製鋼所 Steel plate with excellent arrest properties and its manufacturing method
JP5337412B2 (en) * 2008-06-19 2013-11-06 株式会社神戸製鋼所 Thick steel plate excellent in brittle crack propagation stopping characteristics and method for producing the same
JP5434145B2 (en) * 2009-03-04 2014-03-05 Ｊｆｅスチール株式会社 Structural high-strength thick steel plate with excellent brittle crack propagation stopping characteristics and method for producing the same
JP5278188B2 (en) * 2009-06-19 2013-09-04 新日鐵住金株式会社 Thick steel plate with excellent resistance to hydrogen-induced cracking and brittle crack propagation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004143555A (en) * 2002-10-25 2004-05-20 Jfe Steel Kk Method for manufacturing steel product for low temperature use having excellent stress corrosion cracking resistance
JP2007254767A (en) * 2006-03-20 2007-10-04 Nippon Steel Corp Welded joint of high-tensile strength thick steel plate
JP2008214652A (en) * 2007-02-28 2008-09-18 Jfe Steel Kk High strength thick steel plate for structural purpose having excellent brittle crack propagation arrest property, and method for producing the same
JP2008261030A (en) * 2007-04-13 2008-10-30 Nippon Steel Corp Method of manufacturing thick high-strength steel plate excellent in brittle crack propagation stopping characteristic
JP2009068050A (en) * 2007-09-11 2009-04-02 Kobe Steel Ltd High tensile steel sheet for high heat input welding excellent in base material low-temperature toughness
JP2009185343A (en) * 2008-02-07 2009-08-20 Jfe Steel Corp High strength thick steel plate having excellent toughness in high heat input weld zone and brittle crack propagation arrest property, and method for producing the same
JP2011052243A (en) * 2009-08-31 2011-03-17 Nippon Steel Corp Method for manufacturing thick high-strength steel sheet superior in characteristics of stopping propagation of brittle crack
JP2011105963A (en) * 2009-11-12 2011-06-02 Nippon Steel Corp Method for manufacturing low yield ratio high tensile strength steel plate excellent in low temperature toughness

Non-Patent Citations (2)

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DATABASE WPI Week 200770, Derwent World Patents Index; AN 2007-746606, XP002733006 *
See also references of WO2013099318A1 *

Also Published As

Publication number Publication date
WO2013099318A1 (en) 2013-07-04
KR101588258B1 (en) 2016-01-25
BR112014015779A8 (en) 2017-07-04
BR112014015779A2 (en) 2017-06-13
KR20140097463A (en) 2014-08-06
JP2013151732A (en) 2013-08-08
EP2799584B1 (en) 2019-01-02
JP5304925B2 (en) 2013-10-02
BR112014015779B1 (en) 2019-04-09
CN104024462A (en) 2014-09-03
EP2799584A1 (en) 2014-11-05
CN104024462B (en) 2016-03-23

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