FR2228112B1 - - Google Patents

Info

Publication number
FR2228112B1
FR2228112B1 FR7415123A FR7415123A FR2228112B1 FR 2228112 B1 FR2228112 B1 FR 2228112B1 FR 7415123 A FR7415123 A FR 7415123A FR 7415123 A FR7415123 A FR 7415123A FR 2228112 B1 FR2228112 B1 FR 2228112B1
Authority
FR
France
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.)
Expired
Application number
FR7415123A
Other versions
FR2228112A1 (fr
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.)
Bethlehem Steel Corp
Original Assignee
Bethlehem 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 Bethlehem Steel Corp filed Critical Bethlehem Steel Corp
Publication of FR2228112A1 publication Critical patent/FR2228112A1/fr
Application granted granted Critical
Publication of FR2228112B1 publication Critical patent/FR2228112B1/fr
Expired 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
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium

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)
FR7415123A 1973-05-02 1974-04-30 Expired FR2228112B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00356535A US3846183A (en) 1973-05-02 1973-05-02 Method of treating steel rail

Publications (2)

Publication Number Publication Date
FR2228112A1 FR2228112A1 (fr) 1974-11-29
FR2228112B1 true FR2228112B1 (fr) 1978-04-21

Family

ID=23401855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415123A Expired FR2228112B1 (fr) 1973-05-02 1974-04-30

Country Status (7)

Country Link
US (1) US3846183A (fr)
JP (1) JPS5047808A (fr)
CA (1) CA1024422A (fr)
DE (1) DE2421109A1 (fr)
FR (1) FR2228112B1 (fr)
GB (1) GB1457061A (fr)
ZA (1) ZA742497B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54148124A (en) 1978-05-12 1979-11-20 Nippon Steel Corp Manufacture of high strength rall of excellent weldability
US4222260A (en) * 1978-05-15 1980-09-16 Wsp Industries Corporation Warm forging of connecting rod caps
JPS5818966B2 (ja) * 1978-06-23 1983-04-15 日本鋼管株式会社 レ−ルの製造方法
BE884443A (fr) * 1980-07-23 1981-01-23 Centre Rech Metallurgique Perfectionnements aux procedes de fabrication de rails a haute resistance
JPS57198216A (en) * 1981-05-27 1982-12-04 Nippon Kokan Kk <Nkk> Manufacture of high-strength rail
GB2118579A (en) * 1982-01-29 1983-11-02 British Steel Corp Heat treatment of rails
CA1193176A (fr) * 1982-07-06 1985-09-10 Robert J. Ackert Methode de production de rails de chemin de fer de meilleure qualite par refroidissement accelere a la sortie du laminoir
US4486248A (en) * 1982-08-05 1984-12-04 The Algoma Steel Corporation Limited Method for the production of improved railway rails by accelerated cooling in line with the production rolling mill
LU84417A1 (fr) * 1982-10-11 1984-05-10 Centre Rech Metallurgique Procede perfectionne pour la fabrication de rails et rails obtenus par ce procede
DE3446794C1 (de) * 1984-12-21 1986-01-02 BWG Butzbacher Weichenbau GmbH, 6308 Butzbach Verfahren zur Waermebehandlung perlitischer Schienenstaehle
DE3579681D1 (de) * 1984-12-24 1990-10-18 Nippon Steel Corp Verfahren und vorrichtung zum waermebehandeln von schienen.
US4886558A (en) * 1987-05-28 1989-12-12 Nkk Corporation Method for heat-treating steel rail head
US4895605A (en) * 1988-08-19 1990-01-23 Algoma Steel Corporation Method for the manufacture of hardened railroad rails
CN1044826C (zh) 1994-11-15 1999-08-25 新日本制铁株式会社 耐磨性优良的珠光体类钢轨及其制造方法
EP1482193B1 (fr) * 2002-03-06 2011-06-22 JTEKT Corporation Dispositif de support et procede de fabrication dudit dispositif
CA2451147C (fr) * 2002-04-05 2013-07-30 Nippon Steel Corporation Rail en acier perlitique possedant d'excellentes proprietes de resistance a l'usure et de ductilite et methode de production connexe
EP2135966B1 (fr) * 2007-03-28 2017-05-03 JFE Steel Corporation Rail en acier perlitique de type à dureté interne élevée présentant une excellente résistance à l'usure et une excellente résistance à la rupture par fatigue, et son procédé de fabrication
WO2009047926A1 (fr) * 2007-10-10 2009-04-16 Jfe Steel Corporation Rail en acier perlitique à dureté interne élevée dont la résistance à l'usure, à la rupture par fatigue et à la fracture retardée sont excellentes ainsi que son procédé de fabrication
CN106460117A (zh) * 2014-06-11 2017-02-22 杰富意钢铁株式会社 铁路车辆用车轮及铁路车辆用车轮的制造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2109121A5 (fr) * 1970-10-02 1972-05-26 Wendel Sidelor

Also Published As

Publication number Publication date
GB1457061A (en) 1976-12-01
CA1024422A (fr) 1978-01-17
FR2228112A1 (fr) 1974-11-29
DE2421109A1 (de) 1974-11-21
AU6800274A (en) 1975-10-23
ZA742497B (en) 1975-04-30
JPS5047808A (fr) 1975-04-28
US3846183A (en) 1974-11-05

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Legal Events

Date Code Title Description
ST Notification of lapse