EP2272994A4 - STEEL HAVING HIGH TENSILE STRENGTH AND MANUFACTURING METHOD THEREOF - Google Patents

STEEL HAVING HIGH TENSILE STRENGTH AND MANUFACTURING METHOD THEREOF

Info

Publication number
EP2272994A4
EP2272994A4 EP09726619.1A EP09726619A EP2272994A4 EP 2272994 A4 EP2272994 A4 EP 2272994A4 EP 09726619 A EP09726619 A EP 09726619A EP 2272994 A4 EP2272994 A4 EP 2272994A4
Authority
EP
European Patent Office
Prior art keywords
steel
manufacturing
tensile strength
high tensile
strength
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
EP09726619.1A
Other languages
German (de)
French (fr)
Other versions
EP2272994A1 (en
EP2272994B1 (en
Inventor
Katsuyuki Ichimiya
Tomoyuki Yokota
Kimihiro Nishimura
Nobuo Shikanai
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 EP2272994A1 publication Critical patent/EP2272994A1/en
Publication of EP2272994A4 publication Critical patent/EP2272994A4/en
Application granted granted Critical
Publication of EP2272994B1 publication Critical patent/EP2272994B1/en
Not-in-force 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
    • C22C38/04—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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys 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
    • 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
    • C22C38/02—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
    • C22C38/08—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
    • 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C2202/00—Physical properties

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)
EP09726619.1A 2008-03-31 2009-03-27 High-tensile strength steel and manufacturing method thereof Not-in-force EP2272994B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008089648 2008-03-31
PCT/JP2009/056906 WO2009123292A1 (en) 2008-03-31 2009-03-27 High-tensile strength steel and manufacturing method thereof

Publications (3)

Publication Number Publication Date
EP2272994A1 EP2272994A1 (en) 2011-01-12
EP2272994A4 true EP2272994A4 (en) 2014-01-08
EP2272994B1 EP2272994B1 (en) 2014-11-12

Family

ID=41135659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09726619.1A Not-in-force EP2272994B1 (en) 2008-03-31 2009-03-27 High-tensile strength steel and manufacturing method thereof

Country Status (5)

Country Link
EP (1) EP2272994B1 (en)
JP (1) JP5439887B2 (en)
KR (3) KR20130035277A (en)
CN (2) CN102124133A (en)
WO (1) WO2009123292A1 (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5177310B2 (en) * 2011-02-15 2013-04-03 Ｊｆｅスチール株式会社 High tensile strength steel sheet with excellent low temperature toughness of weld heat affected zone and method for producing the same
JP5630321B2 (en) * 2011-02-24 2014-11-26 Ｊｆｅスチール株式会社 High-tensile steel plate with excellent toughness and manufacturing method thereof
JP5630322B2 (en) * 2011-02-24 2014-11-26 Ｊｆｅスチール株式会社 High-tensile steel plate with excellent toughness and manufacturing method thereof
WO2012133872A1 (en) * 2011-03-28 2012-10-04 Ｊｆｅスチール株式会社 Thick steel sheet having superior fatigue resistance properties in sheet thickness direction, method for producing same, and fillet welded joint using said thick steel sheet
JP5906868B2 (en) * 2011-03-28 2016-04-20 Ｊｆｅスチール株式会社 Thick steel plate with excellent fatigue resistance in the thickness direction and method for producing the same
JP5883257B2 (en) * 2011-09-13 2016-03-09 株式会社神戸製鋼所 Steel material excellent in toughness of base metal and weld heat-affected zone, and manufacturing method thereof
JP5796636B2 (en) * 2011-12-14 2015-10-21 Ｊｆｅスチール株式会社 Steel material for large heat input welding
JP5867381B2 (en) * 2011-12-22 2016-02-24 Ｊｆｅスチール株式会社 High strength steel plate for high heat input welding with excellent material uniformity in steel plate and method for producing the same
KR101676710B1 (en) * 2011-12-27 2016-11-16 제이에프이 스틸 가부시키가이샤 High-strength thick steel plate for construction having excellent characteristics for preventing diffusion of brittle cracks, and production method therefor
JP5910219B2 (en) * 2012-03-23 2016-04-27 Ｊｆｅスチール株式会社 High strength steel plate for high heat input welding with excellent material uniformity in steel plate and method for producing the same
JP5833964B2 (en) * 2012-03-29 2015-12-16 株式会社神戸製鋼所 Steel sheet excellent in bending workability, impact property and tensile property, and method for producing the same
JP5392441B1 (en) * 2012-03-30 2014-01-22 新日鐵住金株式会社 Steel tube for high-strength line pipe excellent in resistance to hydrogen-induced cracking, steel plate for high-strength line pipe used therefor, and production method thereof
JP5958428B2 (en) * 2012-07-30 2016-08-02 Ｊｆｅスチール株式会社 Manufacturing method of steel plates for high heat input welding
JP5846311B2 (en) * 2012-09-06 2016-01-20 Ｊｆｅスチール株式会社 Thick high-strength steel excellent in welding heat affected zone CTOD characteristics and method for producing the same
JP5732017B2 (en) * 2012-10-03 2015-06-10 株式会社神戸製鋼所 Thick steel plate with little toughness change before and after strain aging
KR101435319B1 (en) * 2013-02-27 2014-08-29 현대제철 주식회사 Method of manufacturing steel sheet
EP2975148B1 (en) * 2013-03-12 2019-02-27 JFE Steel Corporation Thick steel sheet having excellent ctod properties in multilayer welded joints, and manufacturing method for thick steel sheet
WO2015088040A1 (en) * 2013-12-12 2015-06-18 Ｊｆｅスチール株式会社 Steel sheet and method for manufacturing same
CN106133168B (en) * 2014-03-31 2018-07-20 杰富意钢铁株式会社 High-tensile steel and its manufacturing method
WO2015151521A1 (en) * 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 Welded joint
JP6048627B2 (en) * 2014-07-15 2016-12-21 Ｊｆｅスチール株式会社 Manufacturing method of steel plates for high heat input welding
JP5733484B1 (en) 2014-09-05 2015-06-10 Ｊｆｅスチール株式会社 Thick steel plate excellent in multi-layer welded joint CTOD characteristics and method for producing the same
KR101676143B1 (en) * 2014-12-25 2016-11-15 주식회사 포스코 High strength structural steel having low yield ratio and good impact toughness and preparing method for the same
CN106048412B (en) * 2016-06-29 2018-04-27 宝山钢铁股份有限公司 A kind of manufacture method of phase transformation strengthening cold working high strength steel, steel pipe and steel pipe
WO2020158823A1 (en) * 2019-01-31 2020-08-06 Ｊｆｅスチール株式会社 H-shaped steel having protrusions, and manufacturing method for same
KR102588284B1 (en) * 2019-01-31 2023-10-11 제이에프이 스틸 가부시키가이샤 H-beam having protrusions, and manufacturing method for same
WO2020189762A1 (en) * 2019-03-19 2020-09-24 Ｊｆｅスチール株式会社 Method for producing cast slabs of high manganese steel and method for producing high manganese steel billets and high manganese steel sheets
WO2021005960A1 (en) * 2019-07-09 2021-01-14 Ｊｆｅスチール株式会社 Seamless steel pipe having exceptional resistance to sulfuric acid dew-point corrosion, and method for manufacturing said seamless steel pipe
KR102357082B1 (en) * 2019-12-20 2022-02-03 주식회사 포스코 High strength steel sheet having excellent heat affected zone toughness and method for manufacturing the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142782A1 (en) * 1980-10-30 1982-07-01 Nippon Steel Corp., Tokyo METHOD FOR PRODUCING STEEL WITH HIGH STRENGTH AND HIGH TOUGHNESS
EP1354973A1 (en) * 2002-04-09 2003-10-22 Nippon Steel Corporation High-strength steel sheet and high-strength pipe excellent in deformability and method for producing the same
EP1533392A1 (en) * 2002-09-04 2005-05-25 JFE Steel Corporation Steel product for high heat input welding and method for production thereof
WO2007023804A1 (en) * 2005-08-22 2007-03-01 Sumitomo Metal Industries, Ltd. Seamless steel pipe for line pipe and method for producing same
EP1870484A1 (en) * 2005-03-31 2007-12-26 JFE Steel Corporation High-strength steel plate and process for production thereof, and high-strength steel pipe
CN101151393A (en) * 2005-03-31 2008-03-26 杰富意钢铁株式会社 High-strength thick steel plate, manufacturing method thereof, and high-strength steel pipe

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JPS5877529A (en) * 1981-10-31 1983-05-10 Nippon Steel Corp Manufacture of high tensile thick steel
JPS60152626A (en) 1984-01-20 1985-08-10 Kawasaki Steel Corp Method for stabilizing toughness of high tension steel for welded structure
JPS60184663A (en) 1984-02-29 1985-09-20 Kawasaki Steel Corp High-tensile steel for low temperature service for welding with large heat input
JPH0694569B2 (en) * 1987-02-27 1994-11-24 新日本製鐵株式会社 Manufacturing method of steel with excellent low temperature toughness in the heat affected zone
JP3045856B2 (en) 1991-11-13 2000-05-29 川崎製鉄株式会社 Method for producing high toughness Cu-containing high tensile steel
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
JP2002235114A (en) * 2001-02-05 2002-08-23 Kawasaki Steel Corp Method of manufacturing thick high strength steel with excellent heat input weld toughness
JP5145616B2 (en) * 2001-04-19 2013-02-20 Ｊｆｅスチール株式会社 High tensile strength steel for low temperature welded structure with excellent weld heat affected zone toughness
JP4946092B2 (en) * 2006-02-28 2012-06-06 Ｊｆｅスチール株式会社 High-strength steel and manufacturing method thereof
JP4673784B2 (en) * 2006-04-11 2011-04-20 新日本製鐵株式会社 High strength steel sheet having excellent weld heat affected zone toughness and method for producing the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3142782A1 (en) * 1980-10-30 1982-07-01 Nippon Steel Corp., Tokyo METHOD FOR PRODUCING STEEL WITH HIGH STRENGTH AND HIGH TOUGHNESS
EP1354973A1 (en) * 2002-04-09 2003-10-22 Nippon Steel Corporation High-strength steel sheet and high-strength pipe excellent in deformability and method for producing the same
EP1533392A1 (en) * 2002-09-04 2005-05-25 JFE Steel Corporation Steel product for high heat input welding and method for production thereof
EP1870484A1 (en) * 2005-03-31 2007-12-26 JFE Steel Corporation High-strength steel plate and process for production thereof, and high-strength steel pipe
CN101151393A (en) * 2005-03-31 2008-03-26 杰富意钢铁株式会社 High-strength thick steel plate, manufacturing method thereof, and high-strength steel pipe
WO2007023804A1 (en) * 2005-08-22 2007-03-01 Sumitomo Metal Industries, Ltd. Seamless steel pipe for line pipe and method for producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009123292A1 *

Also Published As

Publication number Publication date
JP5439887B2 (en) 2014-03-12
KR20100116701A (en) 2010-11-01
CN105821313A (en) 2016-08-03
JP2009263777A (en) 2009-11-12
CN102124133A (en) 2011-07-13
WO2009123292A1 (en) 2009-10-08
EP2272994A1 (en) 2011-01-12
KR20130035277A (en) 2013-04-08
EP2272994B1 (en) 2014-11-12
KR20150094793A (en) 2015-08-19

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