EP2682491A4 - Hot work tool steel having excellent toughness, and process of producing same - Google Patents

Hot work tool steel having excellent toughness, and process of producing same

Info

Publication number
EP2682491A4
EP2682491A4 EP12752790.1A EP12752790A EP2682491A4 EP 2682491 A4 EP2682491 A4 EP 2682491A4 EP 12752790 A EP12752790 A EP 12752790A EP 2682491 A4 EP2682491 A4 EP 2682491A4
Authority
EP
European Patent Office
Prior art keywords
work tool
tool steel
producing same
excellent toughness
hot work
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
EP12752790.1A
Other languages
German (de)
French (fr)
Other versions
EP2682491A1 (en
EP2682491B1 (en
Inventor
Kouta Kataoka
Yousuke Nakano
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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=46757985&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2682491(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of EP2682491A1 publication Critical patent/EP2682491A1/en
Publication of EP2682491A4 publication Critical patent/EP2682491A4/en
Application granted granted Critical
Publication of EP2682491B1 publication Critical patent/EP2682491B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0006—Adding metallic additives
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
EP12752790.1A 2011-03-03 2012-02-28 Hot work tool steel having excellent toughness, and process of producing same Active EP2682491B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011046103 2011-03-03
JP2011148203 2011-07-04
PCT/JP2012/054868 WO2012118053A1 (en) 2011-03-03 2012-02-28 Hot work tool steel having excellent toughness, and process of producing same

Publications (3)

Publication Number Publication Date
EP2682491A1 EP2682491A1 (en) 2014-01-08
EP2682491A4 true EP2682491A4 (en) 2015-04-08
EP2682491B1 EP2682491B1 (en) 2018-07-04

Family

ID=46757985

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12752790.1A Active EP2682491B1 (en) 2011-03-03 2012-02-28 Hot work tool steel having excellent toughness, and process of producing same

Country Status (4)

Country Link
EP (1) EP2682491B1 (en)
CN (1) CN103403209B (en)
TW (1) TWI447237B (en)
WO (1) WO2012118053A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3150735B1 (en) 2014-05-28 2020-01-15 Hitachi Metals, Ltd. Hot work tool material and method for manufacturing hot work tool
JP6004142B2 (en) * 2014-07-23 2016-10-05 日立金属株式会社 Hot tool material, hot tool manufacturing method and hot tool
JP6156670B2 (en) * 2015-02-25 2017-07-05 日立金属株式会社 Hot tool and manufacturing method thereof
KR101852316B1 (en) * 2016-03-18 2018-04-25 히타치 긴조쿠 가부시키가이샤 Method for manufacturing cold tool material and cold tool
JP6826767B2 (en) * 2018-10-05 2021-02-10 日立金属株式会社 Hot tools Steel and hot tools
CN112442626A (en) * 2019-09-03 2021-03-05 建德市亚力达工具有限公司 Preparation process of cutter of high-speed circular cutting machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004018925A (en) * 2002-06-14 2004-01-22 Nippon Steel Corp Steel of excellent machinability
JP2004100027A (en) * 2002-09-12 2004-04-02 Nippon Steel Corp Steel for liquid-phase diffusion bonding having excellent resistance to low-temperature transformation crack
JP2007224418A (en) * 2006-01-30 2007-09-06 Hitachi Metals Ltd Hot tool steel having excellent toughness
EP2065483A1 (en) * 2006-09-15 2009-06-03 Hitachi Metals, Ltd. Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof
EP2138597A1 (en) * 2007-04-18 2009-12-30 Nippon Steel Corporation Hot-worked steel material having excellent machinability and impact value

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4886640A (en) 1988-08-22 1989-12-12 Carpenter Technology Corporation Hot work tool steel with good temper resistance
AT403058B (en) 1995-03-23 1997-11-25 Boehler Edelstahl IRON BASED ALLOY FOR USE AT HIGHER TEMPERATURE AND TOOLS MADE OF THIS ALLOY
SE511758C2 (en) 1998-03-27 1999-11-22 Uddeholm Tooling Ab Steel material for hot work tools
JP3468126B2 (en) 1998-10-14 2003-11-17 大同特殊鋼株式会社 Martensitic heat-resistant steel with excellent cold workability
AT410447B (en) 2001-10-03 2003-04-25 Boehler Edelstahl HOT STEEL SUBJECT
JP3602102B2 (en) * 2002-02-05 2004-12-15 日本高周波鋼業株式会社 Hot tool steel
JP2004019001A (en) 2002-06-20 2004-01-22 Daido Steel Co Ltd Tool steel for hot-working superior in erosion resistance, and die member
BRPI0904607A2 (en) 2009-11-17 2013-07-02 Villares Metals Sa high resistance to tempering action

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004018925A (en) * 2002-06-14 2004-01-22 Nippon Steel Corp Steel of excellent machinability
JP2004100027A (en) * 2002-09-12 2004-04-02 Nippon Steel Corp Steel for liquid-phase diffusion bonding having excellent resistance to low-temperature transformation crack
JP2007224418A (en) * 2006-01-30 2007-09-06 Hitachi Metals Ltd Hot tool steel having excellent toughness
EP2065483A1 (en) * 2006-09-15 2009-06-03 Hitachi Metals, Ltd. Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof
EP2138597A1 (en) * 2007-04-18 2009-12-30 Nippon Steel Corporation Hot-worked steel material having excellent machinability and impact value

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012118053A1 *

Also Published As

Publication number Publication date
TWI447237B (en) 2014-08-01
WO2012118053A1 (en) 2012-09-07
TW201250011A (en) 2012-12-16
EP2682491A1 (en) 2014-01-08
CN103403209B (en) 2016-01-13
EP2682491B1 (en) 2018-07-04
CN103403209A (en) 2013-11-20

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