EP2065483A4 - Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof - Google Patents

Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof

Info

Publication number
EP2065483A4
EP2065483A4 EP07807322.8A EP07807322A EP2065483A4 EP 2065483 A4 EP2065483 A4 EP 2065483A4 EP 07807322 A EP07807322 A EP 07807322A EP 2065483 A4 EP2065483 A4 EP 2065483A4
Authority
EP
European Patent Office
Prior art keywords
hot
production
working tool
tool steel
temperature strength
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Withdrawn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
EP07807322.8A
Other languages
German (de)
French (fr)
Other versions
EP2065483A1 (en
Inventor
Kouta Kataoka
Hideshi Nakatsu
Yasushi Tamura
Masayuki Nagasawa
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
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of EP2065483A1 publication Critical patent/EP2065483A1/en
Publication of EP2065483A4 publication Critical patent/EP2065483A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • C21D1/25Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/002Heat treatment of ferrous alloys containing Cr
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/001Austenite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/002Bainite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/004Dispersions; Precipitations
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/008Martensite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/02Hardening by precipitation

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 Articles (AREA)
  • Heat Treatment Of Steel (AREA)
EP07807322.8A 2006-09-15 2007-09-14 Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof Withdrawn EP2065483A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006251003 2006-09-15
PCT/JP2007/067915 WO2008032816A1 (en) 2006-09-15 2007-09-14 Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof

Publications (2)

Publication Number Publication Date
EP2065483A1 EP2065483A1 (en) 2009-06-03
EP2065483A4 true EP2065483A4 (en) 2016-03-23

Family

ID=39183868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07807322.8A Withdrawn EP2065483A4 (en) 2006-09-15 2007-09-14 Hot-working tool steel having excellent stiffness and high-temperature strength and method for production thereof

Country Status (5)

Country Link
US (1) US20100193089A1 (en)
EP (1) EP2065483A4 (en)
KR (3) KR20130036076A (en)
CN (2) CN101517114A (en)
WO (1) WO2008032816A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT506790B1 (en) * 2008-11-20 2009-12-15 Boehler Edelstahl Gmbh & Co Kg HOT STEEL ALLOY
JP5515442B2 (en) * 2009-06-16 2014-06-11 大同特殊鋼株式会社 Hot tool steel and steel products using the same
EP2682491B1 (en) * 2011-03-03 2018-07-04 Hitachi Metals, Ltd. Hot work tool steel having excellent toughness, and process of producing same
EP2662460A1 (en) * 2012-05-07 2013-11-13 Valls Besitz GmbH Tough bainitic heat treatments on steels for tooling
KR20150121155A (en) * 2013-03-01 2015-10-28 로발마, 에쎄.아 High thermal diffusivity, high toughness and low crack risk during heat treatment tool steel
CN105960475B (en) * 2014-05-28 2018-03-30 日立金属株式会社 Hot working has the manufacture method of material and hot working tool
WO2016013273A1 (en) 2014-07-23 2016-01-28 日立金属株式会社 Hot-working tool material, method for manufacturing hot-working tool, and hot-working tool
WO2018182480A1 (en) * 2017-03-29 2018-10-04 Uddeholms Ab Hot work tool steel
US20210262071A1 (en) * 2018-10-05 2021-08-26 Hitachi Metals, Ltd. Hot work tool steel and hot work tool
US11535917B2 (en) 2019-12-03 2022-12-27 Daido Steel Co., Ltd. Steel for mold, and mold
CN113604730A (en) * 2021-07-05 2021-11-05 昆山东大特钢制品有限公司 High-temperature-resistant and high-toughness hot-work die steel and production process thereof
CN114535944B (en) * 2021-12-15 2022-11-29 河北工业职业技术学院 Short-process bainite hot working die and preparation method thereof
KR20240029270A (en) 2022-08-26 2024-03-05 현대자동차주식회사 Hot-working tool steel and method for manufacturing thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02179848A (en) * 1988-12-30 1990-07-12 Aichi Steel Works Ltd Hot tool steel
JPH08188852A (en) * 1995-01-04 1996-07-23 Kobe Steel Ltd Forging die and its production
EP1084282B1 (en) * 1998-03-27 2003-05-21 Uddeholm Tooling Aktiebolag Steel material for hot work tools

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58123861A (en) * 1982-01-18 1983-07-23 Daido Steel Co Ltd Hot working tool steel
JP2003268500A (en) * 2002-03-15 2003-09-25 Daido Steel Co Ltd Tool steel for hot working excellent in machinability and its production method
JP2006104519A (en) * 2004-10-05 2006-04-20 Daido Steel Co Ltd High toughness hot tool steel and its production method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02179848A (en) * 1988-12-30 1990-07-12 Aichi Steel Works Ltd Hot tool steel
JPH08188852A (en) * 1995-01-04 1996-07-23 Kobe Steel Ltd Forging die and its production
EP1084282B1 (en) * 1998-03-27 2003-05-21 Uddeholm Tooling Aktiebolag Steel material for hot work tools

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
SCHNEIDER R ET AL: "EFFECTS OF DIFFERENT ALLOYING ELEMENTS ON THE HARDNESS PROFILE OF NITRIDED HOT-WORK TOOL STEELS", BHM. BERG UND HUETTENMAENNISCHE MONATSHEFTE, SPRINGER, VIENNA, AU, vol. 151, no. 3, 1 March 2006 (2006-03-01), pages 105 - 109, XP002574215, ISSN: 0005-8912, DOI: 10.1007/BF03165181 *
See also references of WO2008032816A1 *

Also Published As

Publication number Publication date
EP2065483A1 (en) 2009-06-03
US20100193089A1 (en) 2010-08-05
WO2008032816A1 (en) 2008-03-20
KR20130036076A (en) 2013-04-09
KR20090043556A (en) 2009-05-06
CN102994902A (en) 2013-03-27
KR20120006091A (en) 2012-01-17
CN101517114A (en) 2009-08-26

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