EP2719787A4 - HOT PRESS MOLDED ARTICLE, PROCESS FOR PRODUCING THE SAME, AND THIN STEEL SHEET FOR HOT PRESS MOLDING - Google Patents

HOT PRESS MOLDED ARTICLE, PROCESS FOR PRODUCING THE SAME, AND THIN STEEL SHEET FOR HOT PRESS MOLDING

Info

Publication number
EP2719787A4
EP2719787A4 EP12796568.9A EP12796568A EP2719787A4 EP 2719787 A4 EP2719787 A4 EP 2719787A4 EP 12796568 A EP12796568 A EP 12796568A EP 2719787 A4 EP2719787 A4 EP 2719787A4
Authority
EP
European Patent Office
Prior art keywords
hot press
producing
steel sheet
molded article
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
EP12796568.9A
Other languages
German (de)
French (fr)
Other versions
EP2719787A1 (en
EP2719787B1 (en
Inventor
Junya Naitou
Toshio Murakami
Shushi Ikeda
Keisuke Okita
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47296191&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2719787(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP2719787A1 publication Critical patent/EP2719787A1/en
Publication of EP2719787A4 publication Critical patent/EP2719787A4/en
Application granted granted Critical
Publication of EP2719787B1 publication Critical patent/EP2719787B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/22—Deep-drawing with devices for holding the edge of the blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • 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
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • 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
    • C22C38/002—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
    • C22C38/08—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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C21D2211/002—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

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)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Heat Treatment Of Articles (AREA)
EP12796568.9A 2011-06-10 2012-06-08 Hot press molded article, method for producing same, and thin steel sheet for hot press molding Revoked EP2719787B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011130636 2011-06-10
PCT/JP2012/064850 WO2012169639A1 (en) 2011-06-10 2012-06-08 Hot press molded article, method for producing same, and thin steel sheet for hot press molding

Publications (3)

Publication Number Publication Date
EP2719787A1 EP2719787A1 (en) 2014-04-16
EP2719787A4 true EP2719787A4 (en) 2015-08-19
EP2719787B1 EP2719787B1 (en) 2016-04-13

Family

ID=47296191

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12796568.9A Revoked EP2719787B1 (en) 2011-06-10 2012-06-08 Hot press molded article, method for producing same, and thin steel sheet for hot press molding

Country Status (6)

Country Link
US (1) US20140056753A1 (en)
EP (1) EP2719787B1 (en)
JP (1) JP5883350B2 (en)
CN (1) CN103597106B (en)
ES (1) ES2569190T3 (en)
WO (1) WO2012169639A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2747992B1 (en) * 2011-08-22 2019-11-13 Marwood International Inc. Hot forming press and method for hot forming
KR101660143B1 (en) * 2012-01-13 2016-09-26 신닛테츠스미킨 카부시키카이샤 Hot stamp molded article, and method for producing hot stamp molded article
BR112014017020B1 (en) * 2012-01-13 2020-04-14 Nippon Steel & Sumitomo Metal Corp cold rolled steel sheet and method for producing cold rolled steel sheet
JP5890710B2 (en) 2012-03-15 2016-03-22 株式会社神戸製鋼所 Hot press-formed product and method for producing the same
JP5595609B2 (en) * 2013-01-18 2014-09-24 株式会社神戸製鋼所 Manufacturing method of hot press-formed steel member with high strength and excellent strength-ductility balance
MX378469B (en) * 2013-04-02 2025-03-11 Nippon Steel Corp Star Hot-stamp-molded article, cold-rolled steel sheet, and method for manufacturing hot-stamp-molded article
JP6003837B2 (en) * 2013-07-25 2016-10-05 Ｊｆｅスチール株式会社 Manufacturing method of high strength pressed parts
US20160222485A1 (en) * 2013-09-10 2016-08-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hot-pressing steel plate, press-molded article, and method for manufacturing press-molded article
US20160222482A1 (en) * 2013-09-10 2016-08-04 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Hot-pressing steel plate, press-molded article, and method for manufacturing press-molded article
JP5728108B2 (en) * 2013-09-27 2015-06-03 株式会社神戸製鋼所 High-strength steel sheet with excellent workability and low-temperature toughness, and method for producing the same
KR101568549B1 (en) 2013-12-25 2015-11-11 주식회사 포스코 Steel sheet for hot press formed product having high bendability and ultra high strength, hot press formed product using the same and method for manufacturing the same
US10954578B2 (en) * 2014-10-30 2021-03-23 Jfe Steel Corporation High-strength steel sheet and method for manufacturing same
EP3543364B1 (en) 2016-11-16 2020-11-11 JFE Steel Corporation High-strength steel sheet and method for producing same
WO2018096387A1 (en) * 2016-11-24 2018-05-31 Arcelormittal Hot-rolled and coated steel sheet for hot-stamping, hot-stamped coated steel part and methods for manufacturing the same
EP3327152B1 (en) * 2016-11-29 2023-10-11 Tata Steel UK Limited Method for hot-forming a steel blank
JP6822488B2 (en) 2017-01-30 2021-01-27 日本製鉄株式会社 Steel plate
JP7214973B2 (en) * 2018-03-30 2023-01-31 マツダ株式会社 HOT PRESSING METHOD AND PROCESSING APPARATUS
JP7319570B2 (en) 2020-01-09 2023-08-02 日本製鉄株式会社 hot stamped body
JP7443635B2 (en) * 2020-01-31 2024-03-06 株式会社神戸製鋼所 Galvanized steel sheet for hot stamping, hot stamping parts, and method for manufacturing hot stamping parts
JP7397380B2 (en) * 2020-09-17 2023-12-13 日本製鉄株式会社 Steel plates for hot stamping and hot stamping molded bodies
CN113584391A (en) * 2021-08-03 2021-11-02 武汉科技大学 1700 MPa-grade hydrogen-induced delayed cracking resistant hot forming steel and preparation method thereof

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JP2005205477A (en) * 2004-01-26 2005-08-04 Nippon Steel Corp Hot press molding method and automotive member excellent in productivity
JP2005220440A (en) * 2004-01-09 2005-08-18 Kobe Steel Ltd Ultrahigh-strength steel sheet superior in hydrogen embrittlement resistance and manufacturing method therefor
JP2007016296A (en) * 2005-07-11 2007-01-25 Nippon Steel Corp Steel sheet for press forming excellent in ductility after forming, forming method thereof, and automotive member using press forming steel sheet
JP2008291304A (en) * 2007-05-24 2008-12-04 Jfe Steel Kk 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
EP2243852A1 (en) * 2008-02-08 2010-10-27 JFE Steel Corporation High-strength hot-dip zinc coated steel sheet excellent in workability and process for production thereof

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JP4733522B2 (en) * 2006-01-06 2011-07-27 新日本製鐵株式会社 Method for producing high-strength quenched molded body with excellent corrosion resistance and fatigue resistance
JP4967360B2 (en) 2006-02-08 2012-07-04 住友金属工業株式会社 Plated steel sheet for hot pressing, method for manufacturing the same, and method for manufacturing hot press-formed members
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KR101027285B1 (en) 2008-05-29 2011-04-06 주식회사 포스코 Ultra high strength hot forming steel sheet with excellent heat treatment property, heat treatment hardening member and manufacturing method thereof
JP5347392B2 (en) * 2008-09-12 2013-11-20 Ｊｆｅスチール株式会社 Hot press member excellent in ductility, steel plate for hot press member, and method for producing hot press member
JP5418168B2 (en) * 2008-11-28 2014-02-19 Ｊｆｅスチール株式会社 High-strength cold-rolled steel sheet excellent in formability, high-strength hot-dip galvanized steel sheet, and production method thereof
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Publication number Priority date Publication date Assignee Title
JP2005220440A (en) * 2004-01-09 2005-08-18 Kobe Steel Ltd Ultrahigh-strength steel sheet superior in hydrogen embrittlement resistance and manufacturing method therefor
JP2005205477A (en) * 2004-01-26 2005-08-04 Nippon Steel Corp Hot press molding method and automotive member excellent in productivity
JP2007016296A (en) * 2005-07-11 2007-01-25 Nippon Steel Corp Steel sheet for press forming excellent in ductility after forming, forming method thereof, and automotive member using press forming steel sheet
JP2008291304A (en) * 2007-05-24 2008-12-04 Jfe Steel Kk 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
EP2243852A1 (en) * 2008-02-08 2010-10-27 JFE Steel Corporation High-strength hot-dip zinc coated steel sheet excellent in workability and process for production thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012169639A1 *

Also Published As

Publication number Publication date
ES2569190T3 (en) 2016-05-09
EP2719787A1 (en) 2014-04-16
JP2013014841A (en) 2013-01-24
CN103597106B (en) 2016-03-02
CN103597106A (en) 2014-02-19
WO2012169639A1 (en) 2012-12-13
US20140056753A1 (en) 2014-02-27
JP5883350B2 (en) 2016-03-15
EP2719787B1 (en) 2016-04-13

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