EP2196552A4 - PERLITE STEEL RAIL WITH HIGH INTERNAL HARDNESS, WEAR RESISTANCE, FATIGUE BREAK AND DELAYED FRACTURE ARE EXCELLENT AS WELL AS ITS MANUFACTURING PROCESS - Google Patents

PERLITE STEEL RAIL WITH HIGH INTERNAL HARDNESS, WEAR RESISTANCE, FATIGUE BREAK AND DELAYED FRACTURE ARE EXCELLENT AS WELL AS ITS MANUFACTURING PROCESS

Info

Publication number
EP2196552A4
EP2196552A4 EP08739390.6A EP08739390A EP2196552A4 EP 2196552 A4 EP2196552 A4 EP 2196552A4 EP 08739390 A EP08739390 A EP 08739390A EP 2196552 A4 EP2196552 A4 EP 2196552A4
Authority
EP
European Patent Office
Prior art keywords
well
manufacturing process
wear resistance
steel rail
high internal
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.)
Granted
Application number
EP08739390.6A
Other languages
German (de)
French (fr)
Other versions
EP2196552A1 (en
EP2196552B1 (en
Inventor
Minoru Honjo
Tatsumi Kimura
Shinichi Suzuki
Kimihiro Nishimura
Nobuo Shikanai
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP2196552A1 publication Critical patent/EP2196552A1/en
Publication of EP2196552A4 publication Critical patent/EP2196552A4/en
Application granted granted Critical
Publication of EP2196552B1 publication Critical patent/EP2196552B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • 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
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • B21B1/08—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 structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/085—Rail sections
    • 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
    • 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
    • C21D2221/00—Treating localised areas of an article
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/02—Edge parts

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)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
EP08739390.6A 2007-10-10 2008-03-25 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same Active EP2196552B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007264826 2007-10-10
PCT/JP2008/056273 WO2009047926A1 (en) 2007-10-10 2008-03-25 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same

Publications (3)

Publication Number Publication Date
EP2196552A1 EP2196552A1 (en) 2010-06-16
EP2196552A4 true EP2196552A4 (en) 2015-12-23
EP2196552B1 EP2196552B1 (en) 2017-05-10

Family

ID=40549076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08739390.6A Active EP2196552B1 (en) 2007-10-10 2008-03-25 Pearlite steel rail of high internal hardness type excellent in wear resistance, fatigue failure resistance and delayed fracture resistance and process for production of the same

Country Status (7)

Country Link
US (1) US20100186857A1 (en)
EP (1) EP2196552B1 (en)
JP (1) JP5292875B2 (en)
CN (1) CN101743334B (en)
AU (1) AU2008310503B2 (en)
CA (1) CA2687438C (en)
WO (1) WO2009047926A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5145795B2 (en) * 2006-07-24 2013-02-20 新日鐵住金株式会社 Method for producing pearlitic rails with excellent wear resistance and ductility
US8241442B2 (en) 2009-12-14 2012-08-14 Arcelormittal Investigacion Y Desarrollo, S.L. Method of making a hypereutectoid, head-hardened steel rail
US9127409B2 (en) * 2012-04-23 2015-09-08 Nippon Steel & Sumitomo Metal Corporation Rail
AU2014245320B2 (en) 2013-03-27 2017-05-25 Jfe Steel Corporation Pearlite rail and method for manufacturing pearlite rail
CN106062228A (en) * 2014-02-26 2016-10-26 新日铁住金株式会社 Axle for railway
US9670570B2 (en) 2014-04-17 2017-06-06 Evraz Inc. Na Canada High carbon steel rail with enhanced ductility
WO2015182759A1 (en) * 2014-05-29 2015-12-03 新日鐵住金株式会社 Rail and production method therefor
US20170191149A1 (en) * 2014-06-11 2017-07-06 Jfe Steel Corporation Railway vehicle wheel and method for manufacturing railway vehicle wheel
CN104060187B (en) * 2014-07-14 2016-08-17 攀钢集团攀枝花钢铁研究院有限公司 The micro alloyed steel of corrosion resistance and rail and preparation method thereof
CN104213037A (en) * 2014-09-07 2014-12-17 钢铁研究总院 High-nitrogen pearlitic steel
WO2016117689A1 (en) * 2015-01-23 2016-07-28 新日鐵住金株式会社 Rail
CN105154773B (en) * 2015-07-23 2017-03-08 攀钢集团攀枝花钢铁研究院有限公司 A kind of steel rail for heavy-duty railway and its production method and application
CN104988405B (en) * 2015-07-23 2017-03-08 攀钢集团攀枝花钢铁研究院有限公司 Passenger and cargo mixed use steel rail and its production method and application
CN105112786B (en) * 2015-09-29 2017-04-12 燕山大学 Super pearlite steel for steel rails and method for preparing super pearlite steel
JP6601167B2 (en) * 2015-11-05 2019-11-06 日本製鉄株式会社 Rail with excellent wear resistance
BR112018011842B1 (en) * 2015-12-15 2021-09-14 Jfe Steel Corporation METHOD FOR SELECTING RAIL AND WHEEL STEEL
CN105838981A (en) * 2016-05-20 2016-08-10 金轮针布(江苏)有限公司 Steel for card clothing
CN110337498A (en) 2017-03-21 2019-10-15 杰富意钢铁株式会社 How to make a rail
EP3604566B1 (en) * 2017-03-21 2023-11-15 JFE Steel Corporation Rail and method for producing same
CN108048746A (en) * 2017-12-26 2018-05-18 苏州贝尔纳德铁路设备有限公司 A kind of high-intensity switch rail and preparation method thereof
US11566307B2 (en) 2018-03-30 2023-01-31 Jfe Steel Corporation Rail
JP6852761B2 (en) * 2018-10-26 2021-03-31 Ｊｆｅスチール株式会社 Rails and their manufacturing methods
CN115917019B (en) * 2020-06-29 2026-04-24 杰富意钢铁株式会社 Orbit with excellent fatigue crack propagation resistance and its manufacturing method
CN112501417B (en) * 2020-11-16 2022-05-24 攀钢集团攀枝花钢铁研究院有限公司 Steel rail for heavy haul railway and preparation method thereof
JP7869487B2 (en) * 2022-12-23 2026-06-03 日本製鉄株式会社 rail
CN116695001B (en) * 2023-06-30 2025-06-27 武汉钢铁有限公司 Manufacturing method for improving delayed cracking resistance of heavy rail steel
CN117144110A (en) * 2023-08-31 2023-12-01 攀钢集团攀枝花钢铁研究院有限公司 Pearlite rail with excellent internal hardness distribution and production method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05171268A (en) * 1991-09-27 1993-07-09 Nippon Steel Corp Manufacturing method of high toughness pearlite steel
JPH06279928A (en) * 1993-03-29 1994-10-04 Nippon Steel Corp High-strength rail with excellent toughness and ductility and its manufacturing method
WO2005085481A1 (en) * 2004-03-09 2005-09-15 Nippon Steel Corporation A method for producing high-carbon steel rails excellent in wear resistance and ductility
CN1793403A (en) * 2005-12-29 2006-06-28 攀枝花钢铁(集团)公司 Pearlitic heat-treated steel rail and production method thereof

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US3846183A (en) * 1973-05-02 1974-11-05 Bethlehem Steel Corp Method of treating steel rail
JPS5818966B2 (en) * 1978-06-23 1983-04-15 日本鋼管株式会社 Rail manufacturing method
JP3731934B2 (en) * 1996-03-11 2006-01-05 新日本製鐵株式会社 Manufacturing method of deep and high strength rail
JPH10195601A (en) * 1996-12-27 1998-07-28 Nippon Steel Corp Pearlitic rail with excellent wear resistance and internal fatigue damage resistance, and its manufacturing method
JP2000129397A (en) * 1998-10-30 2000-05-09 Nkk Corp Pearlitic rail with excellent wear resistance and ductility
JP4571759B2 (en) * 2001-06-01 2010-10-27 新日本製鐵株式会社 Perlite rail and manufacturing method thereof
JP4272385B2 (en) * 2002-04-05 2009-06-03 新日本製鐵株式会社 Perlite rail with excellent wear resistance and ductility

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05171268A (en) * 1991-09-27 1993-07-09 Nippon Steel Corp Manufacturing method of high toughness pearlite steel
JPH06279928A (en) * 1993-03-29 1994-10-04 Nippon Steel Corp High-strength rail with excellent toughness and ductility and its manufacturing method
WO2005085481A1 (en) * 2004-03-09 2005-09-15 Nippon Steel Corporation A method for producing high-carbon steel rails excellent in wear resistance and ductility
CN1793403A (en) * 2005-12-29 2006-06-28 攀枝花钢铁(集团)公司 Pearlitic heat-treated steel rail and production method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009047926A1 *

Also Published As

Publication number Publication date
CA2687438A1 (en) 2009-04-16
US20100186857A1 (en) 2010-07-29
EP2196552A1 (en) 2010-06-16
AU2008310503B2 (en) 2010-12-09
JP5292875B2 (en) 2013-09-18
AU2008310503A1 (en) 2009-04-16
CN101743334A (en) 2010-06-16
EP2196552B1 (en) 2017-05-10
WO2009047926A1 (en) 2009-04-16
CN101743334B (en) 2012-04-04
CA2687438C (en) 2012-12-18
JP2009108396A (en) 2009-05-21

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