EP2735623A4 - High-strength steel sheet for warm forming and process for producing same - Google Patents

High-strength steel sheet for warm forming and process for producing same

Info

Publication number
EP2735623A4
EP2735623A4 EP12815520.7A EP12815520A EP2735623A4 EP 2735623 A4 EP2735623 A4 EP 2735623A4 EP 12815520 A EP12815520 A EP 12815520A EP 2735623 A4 EP2735623 A4 EP 2735623A4
Authority
EP
European Patent Office
Prior art keywords
steel sheet
strength steel
producing same
warm forming
warm
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
EP12815520.7A
Other languages
German (de)
French (fr)
Other versions
EP2735623A1 (en
EP2735623B1 (en
Inventor
Noriaki Kosaka
Yoshimasa Funakawa
Masato Shigemi
Hidekazu Okubo
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 EP2735623A1 publication Critical patent/EP2735623A1/en
Publication of EP2735623A4 publication Critical patent/EP2735623A4/en
Application granted granted Critical
Publication of EP2735623B1 publication Critical patent/EP2735623B1/en
Not-in-force 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
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B1/026—Rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • 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
    • C22C38/12—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
    • C22C38/18—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
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/06—Zinc or cadmium or alloys based thereon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12785—Group IIB metal-base component
    • Y10T428/12792—Zn-base component
    • Y10T428/12799—Next to Fe-base component [e.g., galvanized]

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Steel (AREA)
  • Coating With Molten Metal (AREA)
EP12815520.7A 2011-07-20 2012-07-11 High-strength steel sheet for warm forming and process for producing same Not-in-force EP2735623B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011158508A JP5754279B2 (en) 2011-07-20 2011-07-20 High strength steel sheet for warm forming and manufacturing method thereof
PCT/JP2012/004462 WO2013011660A1 (en) 2011-07-20 2012-07-11 High-strength steel sheet for warm forming and process for producing same

Publications (3)

Publication Number Publication Date
EP2735623A1 EP2735623A1 (en) 2014-05-28
EP2735623A4 true EP2735623A4 (en) 2015-08-12
EP2735623B1 EP2735623B1 (en) 2018-07-04

Family

ID=47557861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12815520.7A Not-in-force EP2735623B1 (en) 2011-07-20 2012-07-11 High-strength steel sheet for warm forming and process for producing same

Country Status (8)

Country Link
US (1) US20140141280A1 (en)
EP (1) EP2735623B1 (en)
JP (1) JP5754279B2 (en)
KR (1) KR101607033B1 (en)
CN (1) CN103687976B (en)
CA (1) CA2840724C (en)
MX (1) MX363738B (en)
WO (1) WO2013011660A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5541263B2 (en) * 2011-11-04 2014-07-09 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet excellent in workability and manufacturing method thereof
JP5957878B2 (en) * 2011-12-27 2016-07-27 Ｊｆｅスチール株式会社 High strength hot-rolled steel sheet for warm forming and manufacturing method thereof
KR101638715B1 (en) 2012-01-31 2016-07-11 제이에프이 스틸 가부시키가이샤 Hot-rolled steel for power generator rim and method for manufacturing same
JPWO2013132823A1 (en) * 2012-03-06 2015-07-30 Ｊｆｅスチール株式会社 Warm press molding method and automotive framework parts
KR101630557B1 (en) * 2012-03-06 2016-06-14 제이에프이 스틸 가부시키가이샤 Warm press forming method and automobile frame component
JP5920246B2 (en) * 2012-03-06 2016-05-18 Ｊｆｅスチール株式会社 Warm press forming method
JP5821864B2 (en) * 2013-01-31 2015-11-24 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet excellent in burring workability and manufacturing method thereof
JP5637225B2 (en) * 2013-01-31 2014-12-10 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet excellent in burring workability and manufacturing method thereof
JP6052503B2 (en) * 2013-03-29 2016-12-27 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet and its manufacturing method
JP5892147B2 (en) * 2013-03-29 2016-03-23 Ｊｆｅスチール株式会社 High strength hot rolled steel sheet and method for producing the same
JP5870961B2 (en) * 2013-05-20 2016-03-01 Ｊｆｅスチール株式会社 Warm press forming method
JP5929846B2 (en) * 2013-06-18 2016-06-08 Ｊｆｅスチール株式会社 Warm press molding method and molding die used in this molding method
WO2014208089A1 (en) * 2013-06-27 2014-12-31 Ｊｆｅスチール株式会社 Hot-rolled high-strength steel sheet and process for production thereof
JP6075339B2 (en) * 2013-08-12 2017-02-08 Ｊｆｅスチール株式会社 Manufacturing method of high strength members
CN103725956A (en) * 2013-12-26 2014-04-16 安阳钢铁股份有限公司 High-strength light-weight steel for dumper compartment and production method of steel
WO2017144419A1 (en) * 2016-02-23 2017-08-31 Tata Steel Ijmuiden B.V. Hot formed part and method for producing it
CN105838996A (en) * 2016-04-28 2016-08-10 河北钢铁股份有限公司承德分公司 800MPa-grade high-strength and weather-proof steel plate and production method thereof
CN115094318B (en) * 2022-06-18 2023-11-10 首钢集团有限公司 600 MPa-level steel for carriage plate and production method thereof
CN115927959B (en) * 2022-11-15 2023-07-18 北京科技大学 2.2 GPa-grade low-cost low-carbon heterogeneous lamellar ultra-high-strength dual-phase steel and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003321736A (en) * 2002-04-30 2003-11-14 Jfe Steel Kk Galvanized, high tensile strength, hot rolled steel sheet having excellent weldability, production method therefor and working method therefor
EP2177640A1 (en) * 2007-07-31 2010-04-21 JFE Steel Corporation High-strength steel sheet

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Publication number Priority date Publication date Assignee Title
JP4506005B2 (en) 2001-03-01 2010-07-21 住友金属工業株式会社 High strength steel sheet for warm forming and forming method thereof
JP3775337B2 (en) * 2002-04-26 2006-05-17 Ｊｆｅスチール株式会社 High formability, high-tensile hot-rolled steel sheet with excellent material uniformity, manufacturing method and processing method thereof
JP4007050B2 (en) * 2002-04-26 2007-11-14 Ｊｆｅスチール株式会社 High-tensile welded steel pipe excellent in workability and fatigue characteristics, its manufacturing method, and steel strip for welded steel pipe material
JP3993831B2 (en) 2002-11-14 2007-10-17 新日本製鐵株式会社 Steel sheet with excellent curability and impact properties after hot forming and method of using the same
JP4466352B2 (en) * 2004-12-10 2010-05-26 Ｊｆｅスチール株式会社 Hot rolled steel sheet suitable for warm forming and manufacturing method thereof
JP4776296B2 (en) * 2005-07-29 2011-09-21 Ｊｆｅスチール株式会社 Processing method of super high strength steel sheet exhibiting super plasticity
JP4955497B2 (en) * 2007-09-28 2012-06-20 株式会社神戸製鋼所 Hot-rolled steel sheet with excellent fatigue characteristics and stretch flangeability balance
JP2010053434A (en) * 2008-08-29 2010-03-11 Nakayama Steel Works Ltd High strength hot rolled thin steel sheet having excellent ductility and method for producing the same
JP5609223B2 (en) * 2010-04-09 2014-10-22 Ｊｆｅスチール株式会社 High-strength steel sheet with excellent warm workability and manufacturing method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003321736A (en) * 2002-04-30 2003-11-14 Jfe Steel Kk Galvanized, high tensile strength, hot rolled steel sheet having excellent weldability, production method therefor and working method therefor
EP2177640A1 (en) * 2007-07-31 2010-04-21 JFE Steel Corporation High-strength steel sheet

Non-Patent Citations (3)

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Title
See also references of WO2013011660A1 *
YOSHIMASA FUNAKAWA ET AL: "Development of High Strength Hot-rolled Sheet Steel Consisting of Ferrite and Nanometer-sized Carbides", ISIJ INTERNATIONAL, TOKYO, JP, vol. 44, no. 11, 15 November 2004 (2004-11-15), pages 1945 - 1951, XP003031620 *
YOSHIMASA FUNAKAWA ET AL: "Stabilization in Strength of Hot-rolled Sheet Steel Strengthened by Nanometer-sized Carbides", TETSU TO HAGANE: JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN, IRON AND STEEL INSTITUTE OF JAPAN. TOKYO, JP, vol. 93, no. 1, 1 January 2007 (2007-01-01), pages 49 - 56, XP003031621, ISSN: 0021-1575 *

Also Published As

Publication number Publication date
CN103687976B (en) 2016-05-18
MX2014000642A (en) 2014-04-30
US20140141280A1 (en) 2014-05-22
CA2840724A1 (en) 2013-01-24
CN103687976A (en) 2014-03-26
JP2013023721A (en) 2013-02-04
KR101607033B1 (en) 2016-03-28
EP2735623A1 (en) 2014-05-28
WO2013011660A1 (en) 2013-01-24
CA2840724C (en) 2016-02-09
JP5754279B2 (en) 2015-07-29
KR20140026608A (en) 2014-03-05
MX363738B (en) 2019-04-02
EP2735623B1 (en) 2018-07-04

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