EP2231891A4 - Low alloyed steel powder - Google Patents

Low alloyed steel powder Download PDF

Info

Publication number: EP2231891A4
Authority: EP; European Patent Office
Prior art keywords: steel powder; alloyed steel; low alloyed; low; powder
Prior art date: 2007-12-27
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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)

English (en)

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.)

2007-12-27

Filing date

2008-12-18

Publication date

2017-03-29

2008-12-18 Application filed by Hoganas AB filed Critical Hoganas AB

2010-09-29 Publication of EP2231891A1 publication Critical patent/EP2231891A1/en

2017-03-29 Publication of EP2231891A4 publication Critical patent/EP2231891A4/en

Status Withdrawn legal-status Critical Current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

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 (zh)
EP (1)	EP2231891A4 (zh)
JP (2)	JP2011508091A (zh)
KR (1)	KR20100108407A (zh)
CN (2)	CN101925683A (zh)
BR (1)	BRPI0821850A2 (zh)
CA (1)	CA2710513A1 (zh)
RU (1)	RU2482208C2 (zh)
TW (1)	TWI441927B (zh)
WO (1)	WO2009085001A1 (zh)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2235225B1 (en)	2007-12-27	2016-10-19	Höganäs Ab (publ)	Low alloyed steel powder
JP5992402B2 (ja) *	2010-06-04	2016-09-14	ホガナスアクチボラグ（パブル）	窒化焼結コンポーネントの製造方法
PL3253512T3 (pl) *	2015-02-03	2023-06-12	Höganäs Ab (Publ)	Kompozycja proszku metalu ułatwiająca obróbkę maszynową
KR102074121B1 (ko) *	2015-09-24	2020-02-06	제이에프이 스틸 가부시키가이샤	소결 부재 원료용 합금 강분의 제조 방법
JP6112280B1 (ja) *	2015-09-30	2017-04-12	Ｊｆｅスチール株式会社	粉末冶金用合金鋼粉の製造方法
KR102288887B1 (ko) *	2017-04-10	2021-08-12	현대자동차주식회사	철계분말의 제조방법 및 이에 의해 제조되는 철계분말
KR20220078680A (ko)	2019-11-18	2022-06-10	제이에프이 스틸 가부시키가이샤	분말 야금용 합금 강분, 분말 야금용 철기 혼합분 및 소결체

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58107469A (ja) *	1981-12-18	1983-06-27	Kawasaki Steel Corp	高強度焼結機械部品の製造方法
JPH04165002A (ja) *	1990-10-25	1992-06-10	Kawasaki Steel Corp	高圧縮性Ｃｒ系合金鋼粉およびそれを用いた高強度焼結材料の製造方法
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 (ja)	1978-10-30	1983-02-28	川崎製鉄株式会社	圧縮性、成形性および熱処理特性に優れる合金鋼粉
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 (ja)	1982-01-28	1983-08-03	Sumitomo Metal Ind Ltd	高強度焼結部品の製造方法
JPS5935602A (ja) *	1982-08-23	1984-02-27	Sumitomo Metal Ind Ltd	低酸素低炭素合金鋼粉の製造方法
JPS59173201A (ja)	1983-03-19	1984-10-01	Sumitomo Metal Ind Ltd	高圧縮性合金鋼粉の製造方法
JPH0680164B2 (ja) *	1984-11-09	1994-10-12	トヨタ自動車株式会社	焼結鍛造品の製造方法
JPH07113121B2 (ja) *	1987-07-17	1995-12-06	株式会社神戸製鋼所	低ｃ・低ｏの粉末冶金用低合金鋼粉の製造方法
JP3396285B2 (ja) *	1994-01-31	2003-04-14	川崎製鉄株式会社	高強度・高靱性焼結材料用合金鋼粉およびその焼結鋼
EP0960953A3 (en) *	1994-04-15	2002-08-21	Kawasaki Steel Corporation	Alloy steel powders, sintered bodies and method
JPH08300174A (ja) *	1995-05-08	1996-11-19	Sumitomo Electric Ind Ltd	複合焼結部品とその製造法
SE9602835D0 (sv)	1996-07-22	1996-07-22	Hoeganaes Ab	Process for the preparation of an iron-based powder
JPH1180803A (ja) *	1997-09-04	1999-03-26	Kawasaki Steel Corp	粉末冶金用鉄基混合粉
SE9800154D0 (sv) *	1998-01-21	1998-01-21	Hoeganaes Ab	Steel powder for the preparation of sintered products
JP2000192102A (ja) *	1998-12-25	2000-07-11	Kawasaki Steel Corp	粉末冶金用鉄基混合粉
US20030033904A1 (en) *	2001-07-31	2003-02-20	Edmond Ilia	Forged article with prealloyed powder
SE0201824D0 (sv)	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 (ja) *	2006-04-19	2007-11-01	Toyota Motor Corp	コネクティングロッドの製造方法およびコネクティングロッド

2008
- 2008-12-18 CA CA2710513A patent/CA2710513A1/en not_active Abandoned
- 2008-12-18 RU RU2010131156/02A patent/RU2482208C2/ru not_active IP Right Cessation
- 2008-12-18 BR BRPI0821850A patent/BRPI0821850A2/pt not_active IP Right Cessation
- 2008-12-18 WO PCT/SE2008/051511 patent/WO2009085001A1/en active Application Filing
- 2008-12-18 JP JP2010540616A patent/JP2011508091A/ja active Pending
- 2008-12-18 KR KR1020107016815A patent/KR20100108407A/ko not_active Application Discontinuation
- 2008-12-18 EP EP08866748.0A patent/EP2231891A4/en not_active Withdrawn
- 2008-12-18 CN CN2008801256535A patent/CN101925683A/zh active Pending
- 2008-12-18 US US12/810,224 patent/US20100316521A1/en not_active Abandoned
- 2008-12-18 CN CN201510087406.2A patent/CN104711485A/zh active Pending
- 2008-12-26 TW TW097151055A patent/TWI441927B/zh not_active IP Right Cessation
2015
- 2015-01-19 JP JP2015007743A patent/JP2015108195A/ja active Pending

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS58107469A (ja) *	1981-12-18	1983-06-27	Kawasaki Steel Corp	高強度焼結機械部品の製造方法
JPH04165002A (ja) *	1990-10-25	1992-06-10	Kawasaki Steel Corp	高圧縮性Ｃｒ系合金鋼粉およびそれを用いた高強度焼結材料の製造方法
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
EP2231891A1 (en)	2010-09-29
WO2009085001A1 (en)	2009-07-09
CN101925683A (zh)	2010-12-22
CA2710513A1 (en)	2009-07-09
TWI441927B (zh)	2014-06-21
US20100316521A1 (en)	2010-12-16
TW200942626A (en)	2009-10-16
JP2015108195A (ja)	2015-06-11
KR20100108407A (ko)	2010-10-06
CN104711485A (zh)	2015-06-17
RU2010131156A (ru)	2012-02-10
RU2482208C2 (ru)	2013-05-20
BRPI0821850A2 (pt)	2017-06-06
JP2011508091A (ja)	2011-03-10

Legal Events

Date	Code	Title	Description
2010-08-27	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
2010-09-29	17P	Request for examination filed	Effective date: 20100713
2010-09-29	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
2010-09-29	AX	Request for extension of the european patent	Extension state: AL BA MK RS
2011-01-12	DAX	Request for extension of the european patent (deleted)
2017-03-29	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20170223
2017-03-29	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
2018-07-25	17Q	First examination report despatched	Effective date: 20180620
2019-11-20	RIN1	Information on inventor provided before grant (corrected)	Inventor name: BERGMAN, OLA Inventor name: FRYKHOLM, ROBERT Inventor name: BENGTSSON, SVEN Inventor name: LITSTROEM, OLA
2020-06-26	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
2020-07-29	18D	Application deemed to be withdrawn	Effective date: 20200108

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