EP2006398A4 - Process for producing steel material - Google Patents

Process for producing steel material

Info

Publication number
EP2006398A4
EP2006398A4 EP07741346.6A EP07741346A EP2006398A4 EP 2006398 A4 EP2006398 A4 EP 2006398A4 EP 07741346 A EP07741346 A EP 07741346A EP 2006398 A4 EP2006398 A4 EP 2006398A4
Authority
EP
European Patent Office
Prior art keywords
steel material
producing steel
producing
steel
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
EP07741346.6A
Other languages
German (de)
French (fr)
Other versions
EP2006398B1 (en
EP2006398A1 (en
Inventor
Hitoshi Kataoka
Hirotaka Eguchi
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 EP2006398A1 publication Critical patent/EP2006398A1/en
Publication of EP2006398A4 publication Critical patent/EP2006398A4/en
Application granted granted Critical
Publication of EP2006398B1 publication Critical patent/EP2006398B1/en
Not-in-force 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
    • C21D1/26—Methods of annealing
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • 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
    • C22C38/22—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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
EP07741346.6A 2006-04-11 2007-04-10 Process for producing steel material Not-in-force EP2006398B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006108174 2006-04-11
JP2006313747 2006-11-21
PCT/JP2007/057910 WO2007119722A1 (en) 2006-04-11 2007-04-10 Process for producing steel material

Publications (3)

Publication Number Publication Date
EP2006398A1 EP2006398A1 (en) 2008-12-24
EP2006398A4 true EP2006398A4 (en) 2013-06-19
EP2006398B1 EP2006398B1 (en) 2014-12-17

Family

ID=38609482

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07741346.6A Not-in-force EP2006398B1 (en) 2006-04-11 2007-04-10 Process for producing steel material

Country Status (5)

Country Link
EP (1) EP2006398B1 (en)
JP (1) JP5088633B2 (en)
KR (1) KR101074297B1 (en)
CN (1) CN101421424B (en)
WO (1) WO2007119722A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009008285A1 (en) * 2009-02-10 2010-11-25 Gebr. Schmachtenberg Gmbh steel alloy
CN102560280A (en) * 2011-12-30 2012-07-11 周子钦 High-temperature-resistance and high-strength alloy steel and heat treatment process thereof
WO2013120903A1 (en) * 2012-02-15 2013-08-22 Aktiebolaget Skf A bearing steel composition
DE102015113058A1 (en) * 2015-08-07 2017-02-09 Böhler Edelstahl GmbH & Co. KG Method for producing a tool steel
CN108149151A (en) * 2018-01-12 2018-06-12 安徽臣诺机器人科技有限公司 A kind of high strength industrial mechanical arm alloy-steel casting and casting technique
JP6922759B2 (en) * 2018-01-25 2021-08-18 トヨタ自動車株式会社 Manufacturing method of steel parts
JP7188434B2 (en) * 2018-02-23 2022-12-13 昭和電工マテリアルズ株式会社 Sintered valve guide and its manufacturing method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198209A (en) * 1981-05-27 1982-12-04 Daido Steel Co Ltd Annealing method of hot rolling material
JPH08260058A (en) * 1995-03-27 1996-10-08 Daido Steel Co Ltd Method for cooling steel
JPH11302725A (en) * 1998-04-17 1999-11-02 Nippon Koshuha Steel Co Ltd Method for annealing tool steel
JP2004360062A (en) * 2003-05-13 2004-12-24 Hitachi Metals Ltd Tool member having excellent high temperature strength property, and its production method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1169973C (en) * 2001-06-11 2004-10-06 宝钢集团上海五钢有限公司 Heat treating method for hot die steel made of chromium interalloy

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57198209A (en) * 1981-05-27 1982-12-04 Daido Steel Co Ltd Annealing method of hot rolling material
JPH08260058A (en) * 1995-03-27 1996-10-08 Daido Steel Co Ltd Method for cooling steel
JPH11302725A (en) * 1998-04-17 1999-11-02 Nippon Koshuha Steel Co Ltd Method for annealing tool steel
JP2004360062A (en) * 2003-05-13 2004-12-24 Hitachi Metals Ltd Tool member having excellent high temperature strength property, and its production method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2007119722A1 *

Also Published As

Publication number Publication date
JP5088633B2 (en) 2012-12-05
KR101074297B1 (en) 2011-10-17
KR20080112287A (en) 2008-12-24
EP2006398B1 (en) 2014-12-17
JPWO2007119722A1 (en) 2009-08-27
CN101421424A (en) 2009-04-29
CN101421424B (en) 2010-12-08
WO2007119722A1 (en) 2007-10-25
EP2006398A1 (en) 2008-12-24

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