EP4060073A4 - ROLLING BEARING WIRE AND PRODUCTION METHOD THEREOF - Google Patents

ROLLING BEARING WIRE AND PRODUCTION METHOD THEREOF Download PDF

Info

Publication number
EP4060073A4
EP4060073A4 EP20903915.5A EP20903915A EP4060073A4 EP 4060073 A4 EP4060073 A4 EP 4060073A4 EP 20903915 A EP20903915 A EP 20903915A EP 4060073 A4 EP4060073 A4 EP 4060073A4
Authority
EP
European Patent Office
Prior art keywords
production method
rolling bearing
bearing wire
wire
rolling
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.)
Pending
Application number
EP20903915.5A
Other languages
German (de)
French (fr)
Other versions
EP4060073A1 (en
Inventor
Jae Seung Lee
Se Hong Min
Kyoung-Won Kim
Woo Seok Choi
Ki-Hwan Kim
In Gyu Park
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.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP4060073A1 publication Critical patent/EP4060073A1/en
Publication of EP4060073A4 publication Critical patent/EP4060073A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP20903915.5A 2019-12-20 2020-02-06 ROLLING BEARING WIRE AND PRODUCTION METHOD THEREOF Pending EP4060073A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190172410A KR102421642B1 (en) 2019-12-20 2019-12-20 Wire rod for bearing and methods for manufacturing thereof
PCT/KR2020/001721 WO2021125435A1 (en) 2019-12-20 2020-02-06 Bearing wire rod and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP4060073A1 EP4060073A1 (en) 2022-09-21
EP4060073A4 true EP4060073A4 (en) 2024-01-03

Family

ID=76478657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20903915.5A Pending EP4060073A4 (en) 2019-12-20 2020-02-06 ROLLING BEARING WIRE AND PRODUCTION METHOD THEREOF

Country Status (6)

Country Link
US (1) US20230020054A1 (en)
EP (1) EP4060073A4 (en)
JP (1) JP7389909B2 (en)
KR (2) KR102421642B1 (en)
CN (1) CN114981464B (en)
WO (1) WO2021125435A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252153A (en) * 1991-06-14 1993-10-12 Nippon Steel Corporation Process for producing steel bar wire rod for cold working
JP2003129176A (en) * 2001-10-16 2003-05-08 Kobe Steel Ltd Steel wire or rod superior in wire drawability capable of omitting heat treatment prior to wire drawing, and bearing parts
JP2003171737A (en) * 2001-12-07 2003-06-20 Kobe Steel Ltd Rolled wire rod for bearing
US20130183191A1 (en) * 2010-09-15 2013-07-18 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Bearing steel
US20150167112A1 (en) * 2012-01-20 2015-06-18 Nippon Steel & Sumitomo Metal Corporation Rolled wire rod and manufacturing method thereof
JP2016113637A (en) * 2014-12-11 2016-06-23 株式会社神戸製鋼所 Steel wire for bearing
EP3228721A1 (en) * 2014-12-05 2017-10-11 Nippon Steel & Sumitomo Metal Corporation High-carbon-steel wire rod having excellent wire drawing properties

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757837A (en) * 1980-09-24 1982-04-07 Sumitomo Metal Ind Ltd Production of high carbon high tensile wire rod
JPS59157267A (en) * 1983-02-26 1984-09-06 Sumitomo Metal Ind Ltd High tension galvanized steel wire for steel core al twisted wire and its production
DE3576531D1 (en) * 1984-07-16 1990-04-19 Sumitomo Electric Industries ROLLED STEEL.
JPH06229240A (en) * 1993-01-29 1994-08-16 Suzuki Motor Corp Thermostat for cooling water
JP3291068B2 (en) * 1993-04-12 2002-06-10 新日本製鐵株式会社 Manufacturing method of bearing steel with excellent spheroidizing annealing characteristics
JPH09279240A (en) * 1996-04-12 1997-10-28 Sumitomo Metal Ind Ltd Steel wire manufacturing method
JP3598868B2 (en) * 1999-03-09 2004-12-08 住友金属工業株式会社 Manufacturing method of hot rolled wire rod
JP4061141B2 (en) * 2002-07-10 2008-03-12 新日本製鐵株式会社 Perlite high-strength rail excellent in ductility and manufacturing method thereof
JP4631617B2 (en) * 2005-08-31 2011-02-16 Ｊｆｅスチール株式会社 Manufacturing method of steel parts for bearings with excellent fatigue characteristics
JP2008202136A (en) 2007-02-22 2008-09-04 Jfe Steel Kk Steel component for bearing and method for manufacturing the same
JP2008291341A (en) * 2007-05-28 2008-12-04 Sanyo Special Steel Co Ltd Manufacturing method for hardened steel parts with excellent pressure-resistance
JP5067120B2 (en) 2007-10-29 2012-11-07 住友金属工業株式会社 Manufacturing method of rough bearing product
JP5380001B2 (en) * 2008-05-15 2014-01-08 新日鐵住金株式会社 Manufacturing method of bearing steel
JP5179331B2 (en) * 2008-12-02 2013-04-10 株式会社神戸製鋼所 Hot rolled wire rod excellent in wire drawing workability and mechanical descaling property and manufacturing method thereof
KR20110032555A (en) 2009-09-23 2011-03-30 주식회사 포스코 High carbon flexible wire rods that can be omitted for soft nitridation and manufacturing method
JP5632624B2 (en) * 2010-03-03 2014-11-26 株式会社神戸製鋼所 Steel bar manufacturing method
JP5204328B2 (en) 2011-04-20 2013-06-05 株式会社神戸製鋼所 High carbon steel wire and method for producing high carbon steel wire
EP3093363B1 (en) 2014-01-10 2019-07-10 Nippon Steel Corporation Bearing part
EP3211106B1 (en) 2014-10-20 2020-05-06 Nippon Steel Corporation Steel wire rod for bearings having excellent drawability and coil formability after drawing
KR101639886B1 (en) * 2014-11-10 2016-07-15 주식회사 포스코 Bearing steel having high fatigue life and manufacturing method for the same
KR101676109B1 (en) * 2014-11-20 2016-11-15 주식회사 포스코 Wire rod having good drawability and high strength, steel wire having high strength and manufacturing method of wire rod
JP6497146B2 (en) 2015-03-16 2019-04-10 新日鐵住金株式会社 Steel wire rod with excellent cold workability

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252153A (en) * 1991-06-14 1993-10-12 Nippon Steel Corporation Process for producing steel bar wire rod for cold working
JP2003129176A (en) * 2001-10-16 2003-05-08 Kobe Steel Ltd Steel wire or rod superior in wire drawability capable of omitting heat treatment prior to wire drawing, and bearing parts
JP2003171737A (en) * 2001-12-07 2003-06-20 Kobe Steel Ltd Rolled wire rod for bearing
US20130183191A1 (en) * 2010-09-15 2013-07-18 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Bearing steel
US20150167112A1 (en) * 2012-01-20 2015-06-18 Nippon Steel & Sumitomo Metal Corporation Rolled wire rod and manufacturing method thereof
EP3228721A1 (en) * 2014-12-05 2017-10-11 Nippon Steel & Sumitomo Metal Corporation High-carbon-steel wire rod having excellent wire drawing properties
JP2016113637A (en) * 2014-12-11 2016-06-23 株式会社神戸製鋼所 Steel wire for bearing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021125435A1 *

Also Published As

Publication number Publication date
KR102421642B1 (en) 2022-07-18
US20230020054A1 (en) 2023-01-19
CN114981464A (en) 2022-08-30
EP4060073A1 (en) 2022-09-21
CN114981464B (en) 2024-02-06
KR20220101598A (en) 2022-07-19
KR20210080043A (en) 2021-06-30
JP2023508022A (en) 2023-02-28
WO2021125435A1 (en) 2021-06-24
JP7389909B2 (en) 2023-11-30

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