EP2719787A4 - Hot press molded article, method for producing same, and thin steel sheet for hot press molding - Google Patents

Hot press molded article, method for producing same, and thin steel sheet for hot press molding

Info

Publication number: EP2719787A4
Authority: EP; European Patent Office
Prior art keywords: hot press; steel sheet; molded article; thin steel; producing same
Prior art date: 2011-06-10
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

EP2719787B1 (en

EP2719787A1 (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.)

2011-06-10

Filing date

2012-06-08

Publication date

2015-08-19

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=47296191&utm_source=***_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.

2012-06-08 Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd

2014-04-16 Publication of EP2719787A1 publication Critical patent/EP2719787A1/en

2015-08-19 Publication of EP2719787A4 publication Critical patent/EP2719787A4/en

2016-04-13 Application granted granted Critical

2016-04-13 Publication of EP2719787B1 publication Critical patent/EP2719787B1/en

Status Revoked legal-status Critical Current

2032-06-08 Anticipated expiration legal-status Critical

Links

229910000831 Steel Inorganic materials 0.000 title 1
238000004519 manufacturing process Methods 0.000 title 1
238000000465 moulding Methods 0.000 title 1
239000010959 steel Substances 0.000 title 1

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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MX2014008428A (en) *	2012-01-13	2014-10-06	Nippon Steel & Sumitomo Metal Corp	Cold-rolled steel sheet and method for producing cold-rolled steel sheet.
MX2014008430A (en)	2012-01-13	2014-10-06	Nippon Steel & Sumitomo Metal Corp	Hot stamp molded article, and method for producing hot stamp molded article.
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
BR112015016863B1 (en) *	2013-01-18	2020-09-01	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	METHOD OF MANUFACTURING A STEEL ELEMENT FORMED IN A HOT PRESS AND METHOD OF MANUFACTURING AN AUTOMOTIVE STEEL PIECE
PL2982772T3 (en)	2013-04-02	2019-03-29	Nippon Steel & Sumitomo Metal Corporation	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
KR101827187B1 (en)	2013-09-10	2018-02-07	가부시키가이샤 고베 세이코쇼	Hot-pressing steel plate, press-molded article, and method for manufacturing press-molded article
CN105518171B (en) *	2013-09-10	2017-04-05	株式会社神户制钢所	The manufacture method of hot pressing steel plate and stamping product and stamping product
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
WO2016067625A1 (en) *	2014-10-30	2016-05-06	Ｊｆｅスチール株式会社	High-strength steel sheet and method for manufacturing same
MX2019005637A (en)	2016-11-16	2019-07-04	Jfe Steel Corp	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
MX2019004457A (en) *	2017-01-30	2019-06-24	Nippon Steel & Sumitomo Metal Corp	Steel sheet.
JP7214973B2 (en) *	2018-03-30	2023-01-31	マツダ株式会社	HOT PRESSING METHOD AND PROCESSING APPARATUS
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
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-forming method with excellent productivity and automotive member
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 with excellent ductility after forming, its forming method and automotive parts using the steel sheet for press forming
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 both excellent in deep-drawability and strength-ductility balance, and producing method of the both
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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2012
- 2012-06-08 CN CN201280027597.8A patent/CN103597106B/en not_active Expired - Fee Related
- 2012-06-08 ES ES12796568.9T patent/ES2569190T3/en active Active
- 2012-06-08 US US14/113,761 patent/US20140056753A1/en not_active Abandoned
- 2012-06-08 JP JP2012131417A patent/JP5883350B2/en not_active Expired - Fee Related
- 2012-06-08 WO PCT/JP2012/064850 patent/WO2012169639A1/en active Application Filing
- 2012-06-08 EP EP12796568.9A patent/EP2719787B1/en not_active Revoked

Patent Citations (5)

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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-forming method with excellent productivity and automotive member
JP2007016296A (en) *	2005-07-11	2007-01-25	Nippon Steel Corp	Steel sheet for press forming with excellent ductility after forming, its forming method and automotive parts using the steel sheet for press forming
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 both excellent in deep-drawability and strength-ductility balance, and producing method of the both
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
EP2719787B1 (en)	2016-04-13
US20140056753A1 (en)	2014-02-27
CN103597106A (en)	2014-02-19
JP5883350B2 (en)	2016-03-15
CN103597106B (en)	2016-03-02
EP2719787A1 (en)	2014-04-16
JP2013014841A (en)	2013-01-24
WO2012169639A1 (en)	2012-12-13
ES2569190T3 (en)	2016-05-09

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2015-08-19	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20150717
2015-08-19	RIC1	Information provided on ipc code assigned before grant	Ipc: C22C 38/00 20060101AFI20150713BHEP Ipc: B21D 22/20 20060101ALI20150713BHEP Ipc: C21D 9/00 20060101ALI20150713BHEP Ipc: C22C 38/60 20060101ALI20150713BHEP Ipc: C21D 1/18 20060101ALI20150713BHEP
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2016-03-23	RIN1	Information on inventor provided before grant (corrected)	Inventor name: OKITA, KEISUKE Inventor name: NAITOU, JUNYA Inventor name: MURAKAMI, TOSHIO Inventor name: IKEDA, SHUSHI
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