EP2231891A4 - Low alloyed steel powder - Google Patents

Low alloyed steel powder Download PDF

Info

Publication number
EP2231891A4
EP2231891A4 EP08866748.0A EP08866748A EP2231891A4 EP 2231891 A4 EP2231891 A4 EP 2231891A4 EP 08866748 A EP08866748 A EP 08866748A EP 2231891 A4 EP2231891 A4 EP 2231891A4
Authority
EP
European Patent Office
Prior art keywords
steel powder
alloyed steel
low alloyed
low
powder
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Withdrawn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
EP08866748.0A
Other languages
German (de)
French (fr)
Other versions
EP2231891A1 (en
Inventor
Ola LITSTRÖM
Sven Bengtsson
Robert Frykholm
Ola Bergman
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.)
Hoganas AB
Original Assignee
Hoganas AB
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 Hoganas AB filed Critical Hoganas AB
Publication of EP2231891A1 publication Critical patent/EP2231891A1/en
Publication of EP2231891A4 publication Critical patent/EP2231891A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0207—Using a mixture of prealloyed powders or a master alloy
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0264—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements the maximum content of each alloying element not exceeding 5%
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/24—After-treatment of workpieces or articles
    • B22F2003/248—Thermal after-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
    • B22F2998/10—Processes characterised by the sequence of their steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
EP08866748.0A 2007-12-27 2008-12-18 Low alloyed steel powder Withdrawn EP2231891A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1703807P 2007-12-27 2007-12-27
SE0702892 2007-12-27
PCT/SE2008/051511 WO2009085001A1 (en) 2007-12-27 2008-12-18 Low alloyed steel powder

Publications (2)

Publication Number Publication Date
EP2231891A1 EP2231891A1 (en) 2010-09-29
EP2231891A4 true EP2231891A4 (en) 2017-03-29

Family

ID=40824555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08866748.0A Withdrawn EP2231891A4 (en) 2007-12-27 2008-12-18 Low alloyed steel powder

Country Status (10)

Country Link
US (1) US20100316521A1 (en)
EP (1) EP2231891A4 (en)
JP (2) JP2011508091A (en)
KR (1) KR20100108407A (en)
CN (2) CN101925683A (en)
BR (1) BRPI0821850A2 (en)
CA (1) CA2710513A1 (en)
RU (1) RU2482208C2 (en)
TW (1) TWI441927B (en)
WO (1) WO2009085001A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009085000A1 (en) 2007-12-27 2009-07-09 Höganäs Ab (Publ) Low alloyed steel powder
KR20130105802A (en) * 2010-06-04 2013-09-26 회가내스 아베 Nitrided sintered steels
KR102543070B1 (en) 2015-02-03 2023-06-12 회가내스 아베 (피유비엘) Powdered metal compositions for easy machining
KR102074121B1 (en) * 2015-09-24 2020-02-06 제이에프이 스틸 가부시키가이샤 Method for manufacturing alloy steel powder for sintered member raw material
KR102026767B1 (en) * 2015-09-30 2019-09-30 제이에프이 스틸 가부시키가이샤 Production method for alloy steel powder for powder metallurgy
KR102288887B1 (en) * 2017-04-10 2021-08-12 현대자동차주식회사 Method of manufacturing iron powder and iron powder manufactured thereby
EP4063041A4 (en) 2019-11-18 2023-01-18 JFE Steel Corporation Alloy steel powder for powder metallurgy, iron-based mixed powder for powder metallurgy, and sintered body

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58107469A (en) * 1981-12-18 1983-06-27 Kawasaki Steel Corp Preparation of high strength sintered machine parts
JPH04165002A (en) * 1990-10-25 1992-06-10 Kawasaki Steel Corp High compressibility cr base alloy steel powder and manufacture of high strength sintered material using it
US5876481A (en) * 1996-06-14 1999-03-02 Quebec Metal Powders Limited Low alloy steel powders for sinterhardening
US20020051725A1 (en) * 2000-10-30 2002-05-02 Unisia Jecs Corporation Method of forging raw material for sintering and forging

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901661A (en) * 1972-04-06 1975-08-26 Toyo Kohan Co Ltd Prealloyed steel powder for formation of structural parts by powder forging and powder forged article for structural parts
US4069044A (en) * 1976-08-06 1978-01-17 Stanislaw Mocarski Method of producing a forged article from prealloyed-premixed water atomized ferrous alloy powder
JPS5810962B2 (en) 1978-10-30 1983-02-28 川崎製鉄株式会社 Alloy steel powder with excellent compressibility, formability and heat treatment properties
JPS5773155A (en) * 1980-10-27 1982-05-07 Kawasaki Steel Corp Manufacture of iron-base sintered machine parts with high strength and wear resistance
JPS58130249A (en) * 1982-01-28 1983-08-03 Sumitomo Metal Ind Ltd Manufacture of high-strength sintered parts
JPS5935602A (en) * 1982-08-23 1984-02-27 Sumitomo Metal Ind Ltd Production of low oxygen low carbon alloy steel powder
JPS59173201A (en) 1983-03-19 1984-10-01 Sumitomo Metal Ind Ltd Preparation of highly compressible alloyed steel powder
JPH0680164B2 (en) * 1984-11-09 1994-10-12 トヨタ自動車株式会社 Sintered forged product manufacturing method
JPH07113121B2 (en) * 1987-07-17 1995-12-06 株式会社神戸製鋼所 Method for producing low alloy steel powder for powder metallurgy with low C and low O
JP3396285B2 (en) * 1994-01-31 2003-04-14 川崎製鉄株式会社 Alloy steel powder for high-strength and high-toughness sintered materials and its sintered steel
DE69513432T2 (en) * 1994-04-15 2000-03-23 Kawasaki Steel Corp., Kobe Alloy steel powder, sintered body and process
JPH08300174A (en) * 1995-05-08 1996-11-19 Sumitomo Electric Ind Ltd Combined sintered parts and its manufacture
SE9602835D0 (en) * 1996-07-22 1996-07-22 Hoeganaes Ab Process for the preparation of an iron-based powder
JPH1180803A (en) * 1997-09-04 1999-03-26 Kawasaki Steel Corp Ferrous mixed powder for powder metallurgy
SE9800154D0 (en) 1998-01-21 1998-01-21 Hoeganaes Ab Steel powder for the preparation of sintered products
JP2000192102A (en) * 1998-12-25 2000-07-11 Kawasaki Steel Corp Ferrous powdery mixture for powder metallurgy
US20030033904A1 (en) * 2001-07-31 2003-02-20 Edmond Ilia Forged article with prealloyed powder
SE0201824D0 (en) 2002-06-14 2002-06-14 Hoeganaes Ab Pre-alloyed iron based powder
US20060086204A1 (en) * 2004-10-18 2006-04-27 Edmond Ilia Impact of copper and carbon on mechanical properties of iron-carbon-copper alloys for powder metal forging applications
JP2007284769A (en) * 2006-04-19 2007-11-01 Toyota Motor Corp Method for manufacturing connecting rod, and connecting rod

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58107469A (en) * 1981-12-18 1983-06-27 Kawasaki Steel Corp Preparation of high strength sintered machine parts
JPH04165002A (en) * 1990-10-25 1992-06-10 Kawasaki Steel Corp High compressibility cr base alloy steel powder and manufacture of high strength sintered material using it
US5876481A (en) * 1996-06-14 1999-03-02 Quebec Metal Powders Limited Low alloy steel powders for sinterhardening
US20020051725A1 (en) * 2000-10-30 2002-05-02 Unisia Jecs Corporation Method of forging raw material for sintering and forging

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009085001A1 *

Also Published As

Publication number Publication date
KR20100108407A (en) 2010-10-06
JP2011508091A (en) 2011-03-10
JP2015108195A (en) 2015-06-11
WO2009085001A1 (en) 2009-07-09
CN101925683A (en) 2010-12-22
EP2231891A1 (en) 2010-09-29
TWI441927B (en) 2014-06-21
RU2482208C2 (en) 2013-05-20
BRPI0821850A2 (en) 2017-06-06
RU2010131156A (en) 2012-02-10
TW200942626A (en) 2009-10-16
US20100316521A1 (en) 2010-12-16
CA2710513A1 (en) 2009-07-09
CN104711485A (en) 2015-06-17

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Effective date: 20180620

RIN1 Information on inventor provided before grant (corrected)

Inventor name: BERGMAN, OLA

Inventor name: FRYKHOLM, ROBERT

Inventor name: BENGTSSON, SVEN

Inventor name: LITSTROEM, OLA

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