EP2710165A4 - IMPROVED STEEL - Google Patents

IMPROVED STEEL

Info

Publication number: EP2710165A4
Authority: EP; European Patent Office
Prior art keywords: improved steel; steel; improved
Prior art date: 2011-05-17
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.): Ceased

Application number

EP12785875.1A

Other languages

German (de)

French (fr)

Other versions

EP2710165A1 (en

Inventor

Thore Lund

Karin Rydén

Ingemar Strandell

Joakim Hallberg

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.)

SKF AB

Original Assignee

SKF 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.)

2011-05-17

Filing date

2012-05-16

Publication date

2015-07-15

2012-05-16 Application filed by SKF AB filed Critical SKF AB

2014-03-26 Publication of EP2710165A1 publication Critical patent/EP2710165A1/en

2015-07-15 Publication of EP2710165A4 publication Critical patent/EP2710165A4/en

Status Ceased legal-status Critical Current

Classifications

- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
- 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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
- 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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
- F16C2204/64—Medium carbon steel, i.e. carbon content from 0.4 to 0,8 wt%
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/60—Ferrous alloys, e.g. steel alloys
- F16C2204/66—High carbon steel, i.e. carbon content above 0.8 wt%, e.g. through-hardenable steel
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
- F16C2240/60—Thickness, e.g. thickness of coatings

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
General Engineering & Computer Science (AREA)
Rolling Contact Bearings (AREA)

EP12785875.1A 2011-05-17 2012-05-16 IMPROVED STEEL Ceased EP2710165A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE1100373		2011-05-17
PCT/SE2012/000075 WO2012158089A1 (en)	2011-05-17	2012-05-16	Improved bearing steel

Publications (2)

Publication Number	Publication Date
EP2710165A1 EP2710165A1 (en)	2014-03-26
EP2710165A4 true EP2710165A4 (en)	2015-07-15

Family

ID=47177183

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12785875.1A Ceased EP2710165A4 (en)	2011-05-17	2012-05-16	IMPROVED STEEL

Country Status (5)

Country	Link
US (1)	US20150078957A1 (en)
EP (1)	EP2710165A4 (en)
JP (1)	JP2014517151A (en)
CN (2)	CN103547696A (en)
WO (1)	WO2012158089A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2532761A (en) *	2014-11-27	2016-06-01	Skf Ab	Bearing steel
CA3004399A1 (en) *	2015-11-13	2017-05-18	Nsk Ltd.	Multi-row ball bearing
CN106636942A (en) *	2016-11-09	2017-05-10	芜湖市永帆精密模具科技有限公司	Rolling fatigue-resistant bearing steel ball and preparation method thereof
CN106834956A (en) *	2016-11-09	2017-06-13	芜湖市永帆精密模具科技有限公司	A kind of wear-resistant bearing steel ball and preparation method thereof
CN106834955A (en) *	2016-11-09	2017-06-13	芜湖市永帆精密模具科技有限公司	A kind of high-strength bearing steel ball and its preparation method
GB2558650A (en) *	2017-01-16	2018-07-18	Skf Ab	Near-eutectoid bearing steel
CN107099755A (en) *	2017-03-27	2017-08-29	芜湖市永帆精密模具科技有限公司	A corrosion-resistant and fatigue-resistant bearing steel ball
CN107012405A (en) *	2017-03-27	2017-08-04	芜湖市永帆精密模具科技有限公司	A kind of high hardness low carbon bearing steel ball
CN114058962A (en) *	2021-11-26	2022-02-18	成都先进金属材料产业技术研究院股份有限公司	High-carbon industrial ultra-pure iron and preparation method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3194698A (en) *	1961-09-15	1965-07-13	United States Steel Corp	Heat treatment of chromium-free steel bearings
JPS62274055A (en) *	1986-05-21	1987-11-28	Daido Steel Co Ltd	Bearing steel
JPH04198417A (en) *	1990-11-29	1992-07-17	Sumitomo Metal Ind Ltd	Method for producing bearing steel
GB2284824A (en) *	1993-10-21	1995-06-21	Nsk Ltd	Rolling bearing
JPH1180896A (en) *	1997-09-02	1999-03-26	Sumitomo Metal Ind Ltd	Bearing element part and method of manufacturing the same
JP2001049388A (en) *	1999-08-03	2001-02-20	Sumitomo Metal Ind Ltd	Steel wire rods, bars and pipes for bearing element parts with excellent machinability
WO2009118166A1 (en) *	2008-03-25	2009-10-01	Aktiebolaget Skf	A bearing component

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62294150A (en) *	1986-06-12	1987-12-21	Daido Steel Co Ltd	High-quality bearing steel and its production
JPH04323344A (en) *	1991-04-18	1992-11-12	Daido Steel Co Ltd	Steel excellent in bearing strength and torsional or bending strength
JP2956324B2 (en) *	1991-10-24	1999-10-04	株式会社神戸製鋼所	Bearing steel with excellent workability and rolling fatigue
SE501382C2 (en) *	1992-05-27	1995-01-30	Skf Ab	Steel for ball and roller bearings
JPH09157740A (en) *	1995-12-07	1997-06-17	Sumitomo Metal Ind Ltd	Manufacturing method of high hardness and high coefficient of thermal expansion steel
JPH11279710A (en) *	1998-03-27	1999-10-12	Nippon Koshuha Steel Co Ltd	Bearing steel excellent in acoustic property and quietness
JPH11335773A (en) *	1998-05-22	1999-12-07	Nippon Koshuha Steel Co Ltd	Bearing steel excellent in cold workability
SE513343C2 (en) *	1999-03-10	2000-08-28	Ovako Steel Ab	bearing Steel
JP4185997B2 (en) *	1999-10-21	2008-11-26	株式会社ジェイテクト	Manufacturing method of bearing parts
JP3463651B2 (en) *	2000-04-18	2003-11-05	住友金属工業株式会社	Bearing steel
JP3614113B2 (en) *	2001-03-16	2005-01-26	住友金属工業株式会社	Steel material for bearing element parts with excellent machinability
JP2003147485A (en) *	2001-11-14	2003-05-21	Nisshin Steel Co Ltd	High toughness high carbon steel sheet having excellent workability, and production method therefor
BRPI0406697B1 (en) *	2003-01-30	2016-06-14	Nippon Steel & Sumitomo Metal Corp	steel tubes for bearing element parts and methods of production and machining
JP2005330511A (en) *	2004-05-18	2005-12-02	Nisshin Steel Co Ltd	Method for manufacturing high-carbon steel parts with small strain of heat treatment
JP4530268B2 (en) *	2004-08-26	2010-08-25	日新製鋼株式会社	High carbon steel member with excellent impact characteristics and method for producing the same
JP4923776B2 (en) *	2006-06-22	2012-04-25	株式会社ジェイテクト	Rolling and sliding parts and manufacturing method thereof
GB0719456D0 (en) *	2007-10-04	2007-11-14	Skf Ab	Rolling element or ring formed from a bearing steel
JP5463662B2 (en) *	2008-03-10	2014-04-09	Ｊｆｅスチール株式会社	Bearing steel excellent in rolling fatigue characteristics and manufacturing method thereof
JP5416459B2 (en) *	2008-07-24	2014-02-12	株式会社神戸製鋼所	Steel for bearings with excellent rolling fatigue life
JP5463675B2 (en) *	2009-01-30	2014-04-09	Ｊｆｅスチール株式会社	Bearing steel and manufacturing method thereof
CN103068513B (en) *	2010-07-02	2016-03-16	Skf公司	Flash-butt welding connects parts of bearings

2012
- 2012-05-16 CN CN201280024073.3A patent/CN103547696A/en active Pending
- 2012-05-16 WO PCT/SE2012/000075 patent/WO2012158089A1/en not_active Ceased
- 2012-05-16 EP EP12785875.1A patent/EP2710165A4/en not_active Ceased
- 2012-05-16 US US14/118,540 patent/US20150078957A1/en not_active Abandoned
- 2012-05-16 CN CN201710817319.7A patent/CN107760986A/en active Pending
- 2012-05-16 JP JP2014511319A patent/JP2014517151A/en active Pending

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3194698A (en) *	1961-09-15	1965-07-13	United States Steel Corp	Heat treatment of chromium-free steel bearings
JPS62274055A (en) *	1986-05-21	1987-11-28	Daido Steel Co Ltd	Bearing steel
JPH04198417A (en) *	1990-11-29	1992-07-17	Sumitomo Metal Ind Ltd	Method for producing bearing steel
GB2284824A (en) *	1993-10-21	1995-06-21	Nsk Ltd	Rolling bearing
JPH1180896A (en) *	1997-09-02	1999-03-26	Sumitomo Metal Ind Ltd	Bearing element part and method of manufacturing the same
JP2001049388A (en) *	1999-08-03	2001-02-20	Sumitomo Metal Ind Ltd	Steel wire rods, bars and pipes for bearing element parts with excellent machinability
WO2009118166A1 (en) *	2008-03-25	2009-10-01	Aktiebolaget Skf	A bearing component

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ASM INTERNATIONAL: "METALS HANDBOOK. Vol 1. 10th Edition. Properties and Selection: Irons, Steels and High-Performance Alloys", vol. 1, 1 March 1990, ASM INTERNATIONAL, USA, ISBN: 0871703777, article HAROLD BURRIER, JR.: "Bearing Steels", pages: 380 - 388 *
AUTORENKOLLEKTIV: "Spurenelemente im Stahl - Moeglichkeiten zur Beeinflussung im Smelzbetrieb", SPURENELEMENTE IN STAEHLEN, VERLAG STAHLEISEN, DUESSELDORF, DE, 1 January 1985 (1985-01-01), pages 19 - 22, XP002433212 *
See also references of WO2012158089A1 *

Also Published As

Publication number	Publication date
EP2710165A1 (en)	2014-03-26
WO2012158089A1 (en)	2012-11-22
JP2014517151A (en)	2014-07-17
CN103547696A (en)	2014-01-29
US20150078957A1 (en)	2015-03-19
CN107760986A (en)	2018-03-06

Publication	Publication Date	Title
EP2615188A4 (en)	2013-10-30	AUSTENITIC STAINLESS STEEL
EP2714955A4 (en)	2015-01-07	AUSTENITIC STAINLESS STEEL
EP2753724A4 (en)	2015-09-23	DUPLEX STAINLESS STEEL
EP2773785A4 (en)	2015-07-08	DUPLEX STAINLESS STEEL
EP2734532A4 (en)	2015-03-25	METAL COMPLEX
EP2900840A4 (en)	2016-04-06	AUSTENITIC STAINLESS STEEL
EP2677056A4 (en)	2015-03-25	DUPLEX STAINLESS STEEL
EP2902523A4 (en)	2016-03-23	FERRITIC STAINLESS STEEL
EP2750964A4 (en)	2014-11-26	CRAWLER VEHICLE
EP2772559A4 (en)	2015-08-19	GALVANISED STEEL
EP2767605A4 (en)	2015-06-03	FERRITIC STAINLESS STEEL
EP2617886A4 (en)	2013-08-21	MONOBLOC MACHINE WITH DRYER-HOLDER
EP2710165A4 (en)	2015-07-15	IMPROVED STEEL
EP2787096A4 (en)	2015-07-15	STAINLESS STEEL BASED ON FERRITE
EP2940329A4 (en)	2015-11-04	BEARING BEARING
EP2864518A4 (en)	2015-12-30	FERRITIC STAINLESS STEEL
EP2754726A4 (en)	2015-09-09	STAINLESS STEEL WITH TWO PHASES
EP2799577A4 (en)	2015-07-15	FERRITIC STAINLESS STEEL
EP2865776A4 (en)	2016-03-02	DUPLEX STAINLESS STEEL
EP2826878A4 (en)	2015-02-25	FERRITIC STAINLESS STEEL
CO6970601A2 (en)	2014-06-13	New combination
EP2663189A4 (en)	2014-06-11	COMBINATION
EP2746420A4 (en)	2015-06-03	SPRING STEEL, AND SPRING
EP2900882A4 (en)	2016-07-27	COMPOSITE STEEL BEAM
EP2857538A4 (en)	2016-03-23	FERRITIC STAINLESS STEEL

Legal Events

Date	Code	Title	Description
2014-02-21	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
2014-03-26	17P	Request for examination filed	Effective date: 20131217
2014-03-26	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2014-08-20	DAX	Request for extension of the european patent (deleted)
2015-07-15	RA4	Supplementary search report drawn up and despatched (corrected)	Effective date: 20150615
2015-07-15	RIC1	Information provided on ipc code assigned before grant	Ipc: F16C 33/00 20060101ALI20150609BHEP Ipc: C22C 38/00 20060101ALI20150609BHEP Ipc: C22C 38/46 20060101ALI20150609BHEP Ipc: C22C 38/50 20060101ALI20150609BHEP Ipc: C22C 38/42 20060101ALI20150609BHEP Ipc: C22C 38/44 20060101AFI20150609BHEP Ipc: C22C 38/06 20060101ALI20150609BHEP Ipc: F16C 33/62 20060101ALI20150609BHEP Ipc: C22C 38/22 20060101ALI20150609BHEP Ipc: C22C 38/02 20060101ALI20150609BHEP Ipc: C22C 38/20 20060101ALI20150609BHEP Ipc: C22C 38/04 20060101ALI20150609BHEP
2018-09-19	17Q	First examination report despatched	Effective date: 20180820
2019-06-13	REG	Reference to a national code	Ref country code: DE Ref legal event code: R003
2019-09-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED
2019-10-23	18R	Application refused	Effective date: 20190613