EP3421631A4 - Steel sheet for hardening, hardened member, and method for manufacturing steel sheet for hardening - Google Patents

Steel sheet for hardening, hardened member, and method for manufacturing steel sheet for hardening Download PDF

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Publication number
EP3421631A4
EP3421631A4 EP17759471.0A EP17759471A EP3421631A4 EP 3421631 A4 EP3421631 A4 EP 3421631A4 EP 17759471 A EP17759471 A EP 17759471A EP 3421631 A4 EP3421631 A4 EP 3421631A4
Authority
EP
European Patent Office
Prior art keywords
hardening
steel sheet
hardened member
manufacturing
manufacturing steel
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Withdrawn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
EP17759471.0A
Other languages
German (de)
French (fr)
Other versions
EP3421631A1 (en
Inventor
Sae Hamamoto
Tatsuya Asai
Hiroyuki Omori
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority claimed from PCT/JP2017/002186 external-priority patent/WO2017149999A1/en
Publication of EP3421631A1 publication Critical patent/EP3421631A1/en
Publication of EP3421631A4 publication Critical patent/EP3421631A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • 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
    • C22C38/04—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
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C21D2211/001—Austenite

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 Sheet Steel (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Articles (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
EP17759471.0A 2016-02-29 2017-01-23 Steel sheet for hardening, hardened member, and method for manufacturing steel sheet for hardening Withdrawn EP3421631A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016037635 2016-02-29
JP2016207673A JP2017155329A (en) 2016-02-29 2016-10-24 Steel sheet for hardening and manufacturing method therefor
PCT/JP2017/002186 WO2017149999A1 (en) 2016-02-29 2017-01-23 Steel sheet for hardening, hardened member, and method for manufacturing steel sheet for hardening

Publications (2)

Publication Number Publication Date
EP3421631A1 EP3421631A1 (en) 2019-01-02
EP3421631A4 true EP3421631A4 (en) 2019-07-24

Family

ID=59808258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17759471.0A Withdrawn EP3421631A4 (en) 2016-02-29 2017-01-23 Steel sheet for hardening, hardened member, and method for manufacturing steel sheet for hardening

Country Status (8)

Country Link
US (1) US20190017142A1 (en)
EP (1) EP3421631A4 (en)
JP (1) JP2017155329A (en)
KR (1) KR20180117127A (en)
CN (1) CN108779527A (en)
BR (1) BR112018067894A2 (en)
CA (1) CA3015966A1 (en)
MX (1) MX2018010347A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7353768B2 (en) * 2018-03-27 2023-10-02 株式会社神戸製鋼所 Steel plate for hot stamping
RU2766947C1 (en) * 2018-03-27 2022-03-16 Кабусики Кайся Кобе Сейко Се (Кобе Стил, Лтд.) Steel sheet for die forging
JP7180147B2 (en) * 2018-07-04 2022-11-30 日本製鉄株式会社 Corrosion-resistant wear-resistant steel plate
JP6773251B1 (en) * 2018-10-31 2020-10-21 Ｊｆｅスチール株式会社 Manufacturing method of high-strength member and high-strength member

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013185247A (en) * 2012-03-09 2013-09-19 Kobe Steel Ltd Steel sheet for hot pressing, press-molded product and method for manufacturing the press-molded product
EP2757171A1 (en) * 2011-10-07 2014-07-23 JFE Steel Corporation High-strength hot-dipped galvanized steel sheet having excellent formability and impact resistance, and method for producing same
EP2821517A1 (en) * 2012-02-29 2015-01-07 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High-strength steel sheet with excellent warm formability and process for manufacturing same
EP2824204A1 (en) * 2012-03-09 2015-01-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article
EP2824196A1 (en) * 2012-03-09 2015-01-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Process for producing press-formed product and press-formed product
EP2832884A1 (en) * 2012-03-30 2015-02-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hot-dip galvanized steel sheet for press forming with excellent cold workability, in-mold hardenability, and surface property, and process for producing same
WO2015141097A1 (en) * 2014-03-17 2015-09-24 株式会社神戸製鋼所 High strength cold rolled steel sheet and high strength galvanized steel sheet having excellent ductility and bendability, and methods for producing same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4164537B2 (en) * 2006-12-11 2008-10-15 株式会社神戸製鋼所 High strength thin steel sheet
JP5136182B2 (en) * 2008-04-22 2013-02-06 新日鐵住金株式会社 High-strength steel sheet with less characteristic deterioration after cutting and method for producing the same
WO2011105600A1 (en) * 2010-02-26 2011-09-01 住友金属工業株式会社 Heat-treated steel material, method for producing same, and base steel material for same
CN103314120B (en) * 2010-10-22 2014-11-05 新日铁住金株式会社 Process for producing hot stamp molded article, and hot stamp molded article
JP5835622B2 (en) 2012-07-06 2015-12-24 新日鐵住金株式会社 Hot-pressed steel plate member, manufacturing method thereof, and hot-press steel plate
CN107075627B (en) * 2014-08-07 2021-08-06 杰富意钢铁株式会社 High-strength steel sheet, method for producing same, and method for producing high-strength galvanized steel sheet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2757171A1 (en) * 2011-10-07 2014-07-23 JFE Steel Corporation High-strength hot-dipped galvanized steel sheet having excellent formability and impact resistance, and method for producing same
EP2821517A1 (en) * 2012-02-29 2015-01-07 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High-strength steel sheet with excellent warm formability and process for manufacturing same
JP2013185247A (en) * 2012-03-09 2013-09-19 Kobe Steel Ltd Steel sheet for hot pressing, press-molded product and method for manufacturing the press-molded product
EP2824204A1 (en) * 2012-03-09 2015-01-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Steel sheet for hot pressing use, press-molded article, and method for producing press-molded article
EP2824196A1 (en) * 2012-03-09 2015-01-14 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Process for producing press-formed product and press-formed product
EP2832884A1 (en) * 2012-03-30 2015-02-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hot-dip galvanized steel sheet for press forming with excellent cold workability, in-mold hardenability, and surface property, and process for producing same
WO2015141097A1 (en) * 2014-03-17 2015-09-24 株式会社神戸製鋼所 High strength cold rolled steel sheet and high strength galvanized steel sheet having excellent ductility and bendability, and methods for producing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017149999A1 *

Also Published As

Publication number Publication date
JP2017155329A (en) 2017-09-07
MX2018010347A (en) 2018-11-09
CA3015966A1 (en) 2017-09-08
KR20180117127A (en) 2018-10-26
US20190017142A1 (en) 2019-01-17
BR112018067894A2 (en) 2019-01-08
CN108779527A (en) 2018-11-09
EP3421631A1 (en) 2019-01-02

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Inventor name: OMORI, HIROYUKI

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