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Withdrawn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Withdrawn legal-status Critical Current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 pre-alloyed 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) CN104711485A (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
US8398739B2 (en) 2007-12-27 2013-03-19 Hoganas Ab (Publ) Iron-based steel powder composition, method for producing a sintered component and component
RU2559603C2 (en) * 2010-06-04 2015-08-10 Хеганес Аб (Пабл) Nitride-hardened sintered steels
KR102543070B1 (en) 2015-02-03 2023-06-12 회가내스 아베 (피유비엘) Powdered metal compositions for easy machining
JP6164387B1 (en) * 2015-09-24 2017-07-19 Ｊｆｅスチール株式会社 Method for producing alloy steel powder for sintered member raw material
WO2017056509A1 (en) * 2015-09-30 2017-04-06 Ｊｆｅスチール株式会社 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
US12291765B2 (en) 2019-11-18 2025-05-06 Jfe Steel Corporation Alloyed 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 Method for producing highly compressible alloy 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
EP0677591B1 (en) * 1994-04-15 1999-11-24 Kawasaki Steel Corporation Alloy steel powders, sintered bodies and method
JPH08300174A (en) * 1995-05-08 1996-11-19 Sumitomo Electric Ind Ltd Composite sintered part and its manufacturing method
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 Iron-base 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 Iron-base mixed powder 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 Connecting rod manufacturing method 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
BRPI0821850A2 (en) 2017-06-06
KR20100108407A (en) 2010-10-06
TWI441927B (en) 2014-06-21
CN101925683A (en) 2010-12-22
JP2011508091A (en) 2011-03-10
CA2710513A1 (en) 2009-07-09
RU2010131156A (en) 2012-02-10
TW200942626A (en) 2009-10-16
WO2009085001A1 (en) 2009-07-09
JP2015108195A (en) 2015-06-11
CN104711485A (en) 2015-06-17
RU2482208C2 (en) 2013-05-20
EP2231891A1 (en) 2010-09-29
US20100316521A1 (en) 2010-12-16

Similar Documents

Publication Publication Date Title
EP2235225A4 (en) Low alloyed steel powder
AU2013257457A1 (en) Improved aluminum-copper-lithium alloys
IL197368A0 (en) Metal powder
EP2432908A4 (en) High strength low alloyed sintered steel
EP2155921A4 (en) Iron-based powder and composition thereof
IL197307A0 (en) Metal powder
PL2162558T3 (en) Iron-nickel-chromium-silicon alloy
ZA200903076B (en) Metal Powder
EP2231891A4 (en) Low alloyed steel powder
PT1922430T (en) Powder metallurgically manufactured high speed steel
PL2235225T3 (en) Low alloyed steel powder
AU2006900968A0 (en) Magnesium-tin alloy
AU2007900351A0 (en) Metal detector
AU2007905919A0 (en) Metal-Coated Steel Strip
AU2007902811A0 (en) Metal-coated steel strip
AU2007902782A0 (en) Metal-coated steel strip
AU2007902778A0 (en) Metal-coated steel strip
AU2006900302A0 (en) Metal Detector
AU2006903110A0 (en) Improved strap design
GB0706467D0 (en) Alloy wheelclamp
AU2006904713A0 (en) Metal-coated steel strip
AU2006904727A0 (en) Metal-coated steel strip
AU2007901444A0 (en) Bucket
AU2007903447A0 (en) Improved bucket
AU2007901098A0 (en) Transplants

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20100713

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20170223

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 33/02 20060101AFI20170218BHEP

Ipc: B22F 3/17 20060101ALI20170218BHEP

Ipc: B22F 9/08 20060101ALI20170218BHEP

Ipc: B22F 3/12 20060101ALI20170218BHEP

17Q First examination report despatched

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

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200108