EP2527482A4 - High-strength hot-dip galvanized steel sheet with excellent material stability and processability and process for producing same - Google Patents

High-strength hot-dip galvanized steel sheet with excellent material stability and processability and process for producing same Download PDF

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Publication number
EP2527482A4
EP2527482A4 EP11734786.4A EP11734786A EP2527482A4 EP 2527482 A4 EP2527482 A4 EP 2527482A4 EP 11734786 A EP11734786 A EP 11734786A EP 2527482 A4 EP2527482 A4 EP 2527482A4
Authority
EP
European Patent Office
Prior art keywords
processability
steel sheet
galvanized steel
dip galvanized
producing same
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
EP11734786.4A
Other languages
German (de)
French (fr)
Other versions
EP2527482A1 (en
EP2527482B1 (en
Inventor
Yoshiyasu Kawasaki
Tatsuya Nakagaito
Shinjiro Kaneko
Yasunobu Nagataki
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 EP2527482A1 publication Critical patent/EP2527482A1/en
Publication of EP2527482A4 publication Critical patent/EP2527482A4/en
Application granted granted Critical
Publication of EP2527482B1 publication Critical patent/EP2527482B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • C21D8/0205—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
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0405—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing 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
    • 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
    • C22C38/001—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
    • C22C38/12—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • 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
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • 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
    • 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
    • C23C2/26—After-treatment
    • C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
    • 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
    • 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
    • C21D2211/005—Ferrite
    • 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
    • C21D2211/008—Martensite
    • 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
    • C21D2211/009—Pearlite
EP11734786.4A 2010-01-22 2011-01-18 Process for producing a high-strength hot-dip galvanized steel sheet with excellent material stability and processability Active EP2527482B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010011948 2010-01-22
JP2010262087A JP5786317B2 (en) 2010-01-22 2010-11-25 High-strength hot-dip galvanized steel sheet with excellent material stability and workability and method for producing the same
PCT/JP2011/051151 WO2011090180A1 (en) 2010-01-22 2011-01-18 High-strength hot-dip galvanized steel sheet with excellent material stability and processability and process for producing same

Publications (3)

Publication Number Publication Date
EP2527482A1 EP2527482A1 (en) 2012-11-28
EP2527482A4 true EP2527482A4 (en) 2017-04-05
EP2527482B1 EP2527482B1 (en) 2019-12-25

Family

ID=44306981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11734786.4A Active EP2527482B1 (en) 2010-01-22 2011-01-18 Process for producing a high-strength hot-dip galvanized steel sheet with excellent material stability and processability

Country Status (4)

Country Link
EP (1) EP2527482B1 (en)
JP (1) JP5786317B2 (en)
TW (1) TWI433961B (en)
WO (1) WO2011090180A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4998756B2 (en) * 2009-02-25 2012-08-15 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof
JP4883216B2 (en) * 2010-01-22 2012-02-22 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability and spot weldability and method for producing the same
JP5862002B2 (en) * 2010-09-30 2016-02-16 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet with excellent fatigue characteristics and method for producing the same
JP5246283B2 (en) * 2011-02-28 2013-07-24 Ｊｆｅスチール株式会社 Low yield ratio high strength cold-rolled steel sheet excellent in elongation and stretch flangeability and manufacturing method thereof
JP5793971B2 (en) 2011-06-01 2015-10-14 Ｊｆｅスチール株式会社 Manufacturing method of high-strength hot-dip galvanized steel sheet with excellent material stability, workability, and plating appearance
MX360510B (en) * 2011-09-30 2018-11-05 Nippon Steel & Sumitomo Metal Corp High-strength hot-dip galvanized steel sheet having excellent delayed fracture resistance, and method for producing same.
JP5267638B2 (en) * 2011-11-17 2013-08-21 Ｊｆｅスチール株式会社 Hot-rolled steel sheet for high-strength hot-dip galvanized steel sheet or high-strength galvannealed steel sheet and method for producing the same
WO2013179497A1 (en) * 2012-06-01 2013-12-05 Ｊｆｅスチール株式会社 Low yield ratio high-strength cold-rolled steel sheet with excellent elongation and stretch flange formability, and manufacturing method thereof
TWI454582B (en) * 2012-06-13 2014-10-01 Jfe Steel Corp High strength cold-rolled steel sheet with low yield ratio having excellent ductility and stretch flangeability and method for manufacturing the same
EP2886674B1 (en) * 2012-08-15 2020-09-30 Nippon Steel Corporation Steel sheet for hot stamping, method of manufacturing the same, and hot stamped steel sheet member

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049342A (en) * 1999-08-02 2001-02-20 Kawasaki Steel Corp Production of extra-low carbon thin steel sheet
JP2004002909A (en) * 2002-03-28 2004-01-08 Jfe Steel Kk Complex metallographic structure type high tensile strength hot-dip galvanized cold rolled steel sheet with excellent deep drawability and stretch-flange formability, and manufacturing method
CA2714117A1 (en) * 2008-02-08 2009-08-13 Jfe Steel Corporation High strength galvanized steel sheet with excellent formability and method for manufacturing the same
EP2402470A1 (en) * 2009-02-25 2012-01-04 JFE Steel Corporation High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor
EP2527484A1 (en) * 2010-01-22 2012-11-28 JFE Steel Corporation High-strength hot-dip galvanized steel sheet with excellent processability and spot weldability and process for producing same
EP2527483A1 (en) * 2010-01-22 2012-11-28 JFE Steel Corporation High-strength hot-dip galvanized steel sheet reduced in burr formation and process for producing same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5151246B2 (en) * 2007-05-24 2013-02-27 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet and high-strength hot-dip galvanized steel sheet excellent in deep drawability and strength-ductility balance and manufacturing method thereof
JP5119903B2 (en) * 2007-12-20 2013-01-16 Ｊｆｅスチール株式会社 Method for producing high-strength hot-dip galvanized steel sheet and high-strength galvannealed steel sheet

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049342A (en) * 1999-08-02 2001-02-20 Kawasaki Steel Corp Production of extra-low carbon thin steel sheet
JP2004002909A (en) * 2002-03-28 2004-01-08 Jfe Steel Kk Complex metallographic structure type high tensile strength hot-dip galvanized cold rolled steel sheet with excellent deep drawability and stretch-flange formability, and manufacturing method
CA2714117A1 (en) * 2008-02-08 2009-08-13 Jfe Steel Corporation High strength galvanized steel sheet with excellent formability and method for manufacturing the same
EP2402470A1 (en) * 2009-02-25 2012-01-04 JFE Steel Corporation High-strength hot-dip galvanized steel plate of excellent workability and manufacturing method therefor
EP2527484A1 (en) * 2010-01-22 2012-11-28 JFE Steel Corporation High-strength hot-dip galvanized steel sheet with excellent processability and spot weldability and process for producing same
EP2527483A1 (en) * 2010-01-22 2012-11-28 JFE Steel Corporation High-strength hot-dip galvanized steel sheet reduced in burr formation and process for producing same

Also Published As

Publication number Publication date
EP2527482A1 (en) 2012-11-28
EP2527482B1 (en) 2019-12-25
WO2011090180A1 (en) 2011-07-28
TW201139731A (en) 2011-11-16
TWI433961B (en) 2014-04-11
JP5786317B2 (en) 2015-09-30
JP2011168877A (en) 2011-09-01

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