BR9912603A - Aço para a fabricação de uma peça para rolamento - Google Patents

Aço para a fabricação de uma peça para rolamento

Info

Publication number
BR9912603A
BR9912603A BR9912603-6A BR9912603A BR9912603A BR 9912603 A BR9912603 A BR 9912603A BR 9912603 A BR9912603 A BR 9912603A BR 9912603 A BR9912603 A BR 9912603A
Authority
BR
Brazil
Prior art keywords
index
enclosures
fines
type
coarse particles
Prior art date
Application number
BR9912603-6A
Other languages
English (en)
Inventor
Gilles Baudry
Jacques Bellus
Daniel Girodin
Gilles Dudragne
Gerard Jacob
Original Assignee
Ascometal Sa
Roulements Soc Nouvelle
Valti Sa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9529185&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9912603(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ascometal Sa, Roulements Soc Nouvelle, Valti Sa filed Critical Ascometal Sa
Publication of BR9912603A publication Critical patent/BR9912603A/pt

Links

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
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • 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
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • 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
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/003—Cementite
    • 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
    • C21D2211/008—Martensite
    • 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
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Rolling Contact Bearings (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
  • Pivots And Pivotal Connections (AREA)
  • Sliding-Contact Bearings (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Patente de Invenção: <B>"AçO PARA A FABRICAçãO DE UMA PEçA PARA ROLAMENTO"<D>. Aço para fabricação de uma peça para rolamento, cuja composição química compreende, em peso: 0,6% <243> C <243> 1,5%, 0,4% <243> Mn <243> 1,5%, 0,75% <243> Si <243> 2,5%, 0,2% <243> Cr <243> 2%, 0% <243> Ni <243> 0,5%, 0% <243> Mo <243> 0,2%, 0% <243> Al <243> 0,05% S <243> 0,04%, o resto sendo o ferro e impurezas resultantes da elaboração. A composição satisfazendo, além disso, as relações: Mn < 0,75 + 0,55 x Si e Mn <243> 2,5-0,8% Si. A propriedade inclusionária do aço, medida segundo o método A da norma ASTM e 45 satisfazendo, além disso, as seguintes condições: inclusões de tipo A, finas: índice - inclusões de tipo A, finas: índice <243> 2,5, espessas: índice <243> 1,5; inclusões de tipo B, finas: índice <243> 1,5; espessas: índice <243> 0,5; inclusões de tipo C, finas: índice = 0; espessas: índice = 0; inclusões de tipo D, finas: índice <243> 0,5; espessas: índice <243> 0,5. Processo para a fabricação de uma peça de rolamento e rolamento obtido.
BR9912603-6A 1998-07-30 1999-07-23 Aço para a fabricação de uma peça para rolamento BR9912603A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9809740A FR2781813B1 (fr) 1998-07-30 1998-07-30 Acier pour la fabrication d'une piece pour roulement
PCT/FR1999/001815 WO2000006790A1 (fr) 1998-07-30 1999-07-23 Acier pour la fabrication d'une piece pour roulement

Publications (1)

Publication Number Publication Date
BR9912603A true BR9912603A (pt) 2001-10-09

Family

ID=9529185

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9912603-6A BR9912603A (pt) 1998-07-30 1999-07-23 Aço para a fabricação de uma peça para rolamento

Country Status (11)

Country Link
EP (1) EP1114199B1 (pt)
JP (1) JP2002521571A (pt)
AT (1) ATE225866T1 (pt)
BR (1) BR9912603A (pt)
DE (1) DE69903457T2 (pt)
ES (1) ES2185372T3 (pt)
FR (1) FR2781813B1 (pt)
PL (1) PL194278B1 (pt)
SK (1) SK1442001A3 (pt)
TR (1) TR200100252T2 (pt)
WO (1) WO2000006790A1 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3959608B2 (ja) 2001-12-05 2007-08-15 株式会社ジェイテクト 外輪が圧延機のバックアップロールとして用いられる転がり軸受および転がり軸受用外輪の製造方法
EP1321686B1 (en) * 2001-12-05 2007-05-09 JTEKT Corporation Antifriction bearing and process for producing outer race for use in antifriction bearing
WO2003062657A1 (fr) * 2002-01-21 2003-07-31 Nsk Ltd. Palier de roulement
JP4252837B2 (ja) 2003-04-16 2009-04-08 Ｊｆｅスチール株式会社 転動疲労寿命の優れた鋼材及びその製造方法
US7435308B2 (en) 2005-05-27 2008-10-14 Nsk Ltd. Rolling bearing
JP4781847B2 (ja) * 2006-02-28 2011-09-28 Ｊｆｅスチール株式会社 転動疲労性の優れた鋼部材の製造方法
EP2229460B1 (en) * 2007-12-20 2020-10-21 Posco Heat treatment method of steel bearing and steel bearing
CN115261569B (zh) * 2022-08-22 2023-10-31 大冶特殊钢有限公司 一种60Cr3钢球化退火方法
DE102023125627B4 (de) * 2023-09-21 2025-05-15 Schaeffler Technologies AG & Co. KG Verfahren zur Herstellung von Lagerkomponenten eines Turboladerlagers, Tur-boladerlager, Turbolader

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663314A (en) * 1970-10-14 1972-05-16 Kaizo Monma Bearing steel composition
FR2177214A5 (pt) * 1972-03-24 1973-11-02 Ugine Aciers
US4077812A (en) * 1975-03-25 1978-03-07 Ntn Toyo Bearing Co. Ltd. Method of working steel machine parts including machining during quench cooling
GB1512323A (en) * 1976-03-05 1978-06-01 Ceskoslovenska Akademie Ved Process for manufacture of annular products
JP2726440B2 (ja) * 1988-08-16 1998-03-11 株式会社神戸製鋼所 加工性に優れ、かつ球状化焼鈍処理を簡略化または省略可能な軸受用鋼
JP3556968B2 (ja) * 1994-06-16 2004-08-25 新日本製鐵株式会社 高炭素系高寿命軸受鋼
JP3374006B2 (ja) * 1996-05-14 2003-02-04 川崎製鉄株式会社 軸受用鋼
JPH09302444A (ja) * 1996-05-14 1997-11-25 Kawasaki Steel Corp 軸受用鋼

Also Published As

Publication number Publication date
SK1442001A3 (en) 2001-10-08
PL345796A1 (en) 2002-01-02
TR200100252T2 (tr) 2001-06-21
WO2000006790A1 (fr) 2000-02-10
EP1114199B1 (fr) 2002-10-09
ATE225866T1 (de) 2002-10-15
JP2002521571A (ja) 2002-07-16
FR2781813A1 (fr) 2000-02-04
ES2185372T3 (es) 2003-04-16
FR2781813B1 (fr) 2000-09-15
DE69903457D1 (de) 2002-11-14
EP1114199A1 (fr) 2001-07-11
DE69903457T2 (de) 2003-07-10
PL194278B1 (pl) 2007-05-31

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Legal Events

Date Code Title Description
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 23/07/1999, OBSERVADAS AS CONDICOES LEGAIS.

B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 12A ANUIDADE

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AS 12A, 13A, 14A, 15A E 16A ANUIDADES. PAGAR RESTAURACAO.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.