EP1980635A4 - Steel sheet with excellent suitability for fine blanking and process for producing the same - Google Patents

Steel sheet with excellent suitability for fine blanking and process for producing the same

Info

Publication number
EP1980635A4
EP1980635A4 EP07713798A EP07713798A EP1980635A4 EP 1980635 A4 EP1980635 A4 EP 1980635A4 EP 07713798 A EP07713798 A EP 07713798A EP 07713798 A EP07713798 A EP 07713798A EP 1980635 A4 EP1980635 A4 EP 1980635A4
Authority
EP
European Patent Office
Prior art keywords
producing
same
steel sheet
fine blanking
excellent suitability
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
EP07713798A
Other languages
German (de)
French (fr)
Other versions
EP1980635B1 (en
EP1980635A1 (en
Inventor
Kazuhiro Seto
Takeshi Yokota
Nobuyuki Nakamura
Nobusuke Kariya
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38327552&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1980635(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP1980635A1 publication Critical patent/EP1980635A1/en
Publication of EP1980635A4 publication Critical patent/EP1980635A4/en
Application granted granted Critical
Publication of EP1980635B1 publication Critical patent/EP1980635B1/en
Active 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
    • 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C21D2211/005—Ferrite

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)
EP07713798A 2006-01-31 2007-01-29 Steel sheet with excellent suitability for fine blanking and process for producing the same Active EP1980635B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006023104 2006-01-31
PCT/JP2007/051835 WO2007088985A1 (en) 2006-01-31 2007-01-29 Steel sheet with excellent suitability for fine blanking and process for producing the same

Publications (3)

Publication Number Publication Date
EP1980635A1 EP1980635A1 (en) 2008-10-15
EP1980635A4 true EP1980635A4 (en) 2010-12-01
EP1980635B1 EP1980635B1 (en) 2012-01-11

Family

ID=38327552

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07713798A Active EP1980635B1 (en) 2006-01-31 2007-01-29 Steel sheet with excellent suitability for fine blanking and process for producing the same

Country Status (5)

Country Link
US (1) US20090173415A1 (en)
EP (1) EP1980635B1 (en)
KR (1) KR101023633B1 (en)
CN (1) CN101379208B (en)
WO (1) WO2007088985A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4952236B2 (en) * 2006-12-25 2012-06-13 Ｊｆｅスチール株式会社 High carbon hot rolled steel sheet and manufacturing method thereof
CN103084386B (en) * 2011-10-31 2015-02-25 上海汇众汽车制造有限公司 Method for optimizing surface quality of hot-rolled steel plates
JP6479538B2 (en) * 2015-03-31 2019-03-06 株式会社神戸製鋼所 Steel wire for machine structural parts
BR112017021482A2 (en) * 2015-04-10 2018-07-03 Nippon Steel & Sumitomo Metal Corporation steel sheet with excellent cold workability during forming and process for producing it
BR112017024957A2 (en) * 2015-05-26 2018-07-31 Nippon Steel & Sumitomo Metal Corporation A steel plate and a manufacturing method for the same
JP6160783B2 (en) 2015-05-26 2017-07-12 新日鐵住金株式会社 Steel sheet and manufacturing method thereof
JP6515332B2 (en) * 2015-05-26 2019-05-22 日本製鉄株式会社 Low carbon steel sheet excellent in machinability and wear resistance after quenching and tempering, and method for producing the same
CN107614727B (en) * 2015-05-26 2020-01-14 日本制铁株式会社 Steel sheet and method for producing same
EP3312299A4 (en) * 2015-06-17 2018-12-05 Nippon Steel & Sumitomo Metal Corporation Steel sheet and manufacturing method
CN105624567B (en) * 2016-01-13 2017-06-13 东北大学 A kind of ferrite steel plate of nano-level sphere cementite reinforcing and preparation method thereof
MX2020008776A (en) 2018-02-23 2020-10-01 Jfe Steel Corp High-carbon cold-rolled steel sheet and production method therefor.
KR102348549B1 (en) * 2019-12-20 2022-01-06 주식회사 포스코 Steel having excellent workability and manufacturing method thereof
CN114058941A (en) * 2020-07-31 2022-02-18 宝山钢铁股份有限公司 Cold-rolled steel plate, manufacturing method thereof and blanking piece for automobile

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0347922A (en) * 1989-07-13 1991-02-28 Nippon Steel Corp Production of hot rolled high carbon steel plate containing uniformly dispersed carbide
JPH07224354A (en) * 1994-02-09 1995-08-22 Nisshin Steel Co Ltd High strength steel sheet for precision punching
JP2000248330A (en) * 1999-03-01 2000-09-12 Nisshin Steel Co Ltd Low alloy steel sheet excellent in workability, rapid heat treatment property, and fatigue characteristic after rapid heat treatment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5550427A (en) * 1978-10-03 1980-04-12 Kawasaki Steel Corp Manufacture of hot rolled medium or high carbon steel strip suitable for use in precision punching
JPS58734B2 (en) * 1978-11-14 1983-01-07 日新製鋼株式会社 Manufacturing method of low alloy steel plate (strip) for precision punching
JP3801667B2 (en) * 1995-04-27 2006-07-26 日新製鋼株式会社 Manufacturing method of high strength steel plate for precision punching
JP4465057B2 (en) * 1999-03-16 2010-05-19 日新製鋼株式会社 High carbon steel sheet for precision punching
JP3752118B2 (en) * 1999-08-31 2006-03-08 新日本製鐵株式会社 High carbon steel sheet with excellent formability
JP4471486B2 (en) * 2000-11-17 2010-06-02 日新製鋼株式会社 Medium and high carbon steel plates with excellent deep drawability
US20050199322A1 (en) * 2004-03-10 2005-09-15 Jfe Steel Corporation High carbon hot-rolled steel sheet and method for manufacturing the same
JP4600196B2 (en) * 2005-07-26 2010-12-15 Ｊｆｅスチール株式会社 High carbon cold-rolled steel sheet with excellent workability and manufacturing method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0347922A (en) * 1989-07-13 1991-02-28 Nippon Steel Corp Production of hot rolled high carbon steel plate containing uniformly dispersed carbide
JPH07224354A (en) * 1994-02-09 1995-08-22 Nisshin Steel Co Ltd High strength steel sheet for precision punching
JP2000248330A (en) * 1999-03-01 2000-09-12 Nisshin Steel Co Ltd Low alloy steel sheet excellent in workability, rapid heat treatment property, and fatigue characteristic after rapid heat treatment

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FUJITA TAKESHI ET AL: "High-Carbon Steel Sheets for Power Train Parts__Formable High-Carbon Steel Sheets Suitable for One-Piece Forming__", J F E TECHNICAL REPORT, J F E R & D CORP, JP, no. 4, 1 November 2004 (2004-11-01), pages 44 - 49, XP002562361, ISSN: 1348-0677, Retrieved from the Internet <URL:http://www.jfe-steel.co.jp/en/research/report/004/pdf/004-08pdf ORD - 2004-11-00> *
See also references of WO2007088985A1 *

Also Published As

Publication number Publication date
KR101023633B1 (en) 2011-03-22
KR20080077254A (en) 2008-08-21
EP1980635B1 (en) 2012-01-11
WO2007088985A1 (en) 2007-08-09
US20090173415A1 (en) 2009-07-09
CN101379208A (en) 2009-03-04
EP1980635A1 (en) 2008-10-15
CN101379208B (en) 2012-06-20

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