EP0252895A3 - Method and apparatus for producing high resistant rails - Google Patents

Method and apparatus for producing high resistant rails Download PDF

Info

Publication number
EP0252895A3
EP0252895A3 EP87870094A EP87870094A EP0252895A3 EP 0252895 A3 EP0252895 A3 EP 0252895A3 EP 87870094 A EP87870094 A EP 87870094A EP 87870094 A EP87870094 A EP 87870094A EP 0252895 A3 EP0252895 A3 EP 0252895A3
Authority
EP
European Patent Office
Prior art keywords
rail
rate
cooled
head
point
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
EP87870094A
Other languages
English (en)
Other versions
EP0252895B1 (fr
EP0252895A2 (fr
Inventor
Marios Economopoulos
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Priority to AT87870094T priority Critical patent/ATE81676T1/de
Publication of EP0252895A2 publication Critical patent/EP0252895A2/fr
Publication of EP0252895A3 publication Critical patent/EP0252895A3/fr
Application granted granted Critical
Publication of EP0252895B1 publication Critical patent/EP0252895B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Metal Rolling (AREA)
EP87870094A 1986-07-10 1987-07-07 Procédé et dispositif pour fabriquer un rail à haute résistance Expired - Lifetime EP0252895B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87870094T ATE81676T1 (de) 1986-07-10 1987-07-07 Verfahren und vorrichtung zum herstellen hochfester schienen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LU86510 1986-07-10
LU86510A LU86510A1 (fr) 1986-07-10 1986-07-10 Procede et dispositif pour fabriquer un rail a haute resistance

Publications (3)

Publication Number Publication Date
EP0252895A2 EP0252895A2 (fr) 1988-01-13
EP0252895A3 true EP0252895A3 (en) 1990-07-18
EP0252895B1 EP0252895B1 (fr) 1992-10-21

Family

ID=19730736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87870094A Expired - Lifetime EP0252895B1 (fr) 1986-07-10 1987-07-07 Procédé et dispositif pour fabriquer un rail à haute résistance

Country Status (7)

Country Link
US (1) US4810311A (fr)
EP (1) EP0252895B1 (fr)
JP (1) JP2716127B2 (fr)
AT (1) ATE81676T1 (fr)
CA (1) CA1307723C (fr)
DE (1) DE3782280D1 (fr)
LU (1) LU86510A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5000798A (en) * 1989-11-07 1991-03-19 The Algoma Steel Corporation, Limited Method for shape control of rail during accelerated cooling
DE69113326T2 (de) * 1990-06-21 1996-03-28 Nippon Steel Corp Verfahren und Vorrichtung zum Herstellen stählerner Doppel-T-Träger mit dünnem Steg.
US5259229A (en) * 1990-06-21 1993-11-09 Nippon Steel Corporation Apparatus for cooling thin-webbed H-beam steel
US5306365A (en) * 1992-11-19 1994-04-26 Aluminum Company Of America Apparatus and method for tapered heating of metal billet
US5419792A (en) * 1994-07-25 1995-05-30 General Electric Company Method and apparatus for cooling a workpiece
US6174389B1 (en) 1999-08-17 2001-01-16 Caterpillar Inc. Fixture and method for selectively quenching a predetermined area of a workpiece
US6394793B1 (en) 2001-01-13 2002-05-28 Ladish Company, Incorporated Method and apparatus of cooling heat-treated work pieces
US20030098106A1 (en) * 2001-11-29 2003-05-29 United Technologies Corporation Method and apparatus for heat treating material
WO2014130150A1 (fr) 2013-02-20 2014-08-28 Rolls-Royce Corporation Élément de paroi pouvant être utilisé pour la trempe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098492A2 (fr) * 1982-07-06 1984-01-18 The Algoma Steel Corporation, Limited Méthode de fabrication de rails de chemin de fer par refroidissement accéléré en ligne avec le laminoir de fabrication
EP0108436A1 (fr) * 1982-10-11 1984-05-16 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Procédé perfectionné pour la fabrication de rails et rails obtenus par ce procédé
EP0136613A2 (fr) * 1983-10-04 1985-04-10 Krupp Stahl AG Rail ayant une haute résistance à l'usure dans le champignon et une haute résistance à la rupture dans le patin
EP0161236A2 (fr) * 1984-05-09 1985-11-13 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Dispositif perfectionnés pour la fabrication de rails
EP0186373B1 (fr) * 1984-12-24 1990-09-12 Nippon Steel Corporation Procédé et dispositif pour le traitement thermique de rails

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6715168A (fr) * 1967-08-30 1969-03-04
LU80252A1 (fr) * 1977-09-19 1979-03-07 Centre Rech Metallurgique Procede pour ameliorer la qualite des profiles en acier
JPS5547322A (en) * 1978-09-30 1980-04-03 Nippon Kokan Kk <Nkk> Heat treating method for rail
JPS5832219A (ja) * 1981-08-19 1983-02-25 Matsushita Electric Ind Co Ltd ステツプアツプ型磁気ヘツド
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
JPS59169337U (ja) * 1983-04-25 1984-11-13 日本鋼管株式会社 鋼材冷却床
DE3446794C1 (de) * 1984-12-21 1986-01-02 BWG Butzbacher Weichenbau GmbH, 6308 Butzbach Verfahren zur Waermebehandlung perlitischer Schienenstaehle
JPS6299438A (ja) * 1985-10-24 1987-05-08 Nippon Kokan Kk <Nkk> 不安定破壊伝播停止能力を有する耐摩耗性高性能レ−ル
DE59303756D1 (de) * 1993-02-26 1996-10-17 Rueti Ag Maschf Einlegevorrichtung für eine Reihenfachwebmaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0098492A2 (fr) * 1982-07-06 1984-01-18 The Algoma Steel Corporation, Limited Méthode de fabrication de rails de chemin de fer par refroidissement accéléré en ligne avec le laminoir de fabrication
EP0108436A1 (fr) * 1982-10-11 1984-05-16 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Procédé perfectionné pour la fabrication de rails et rails obtenus par ce procédé
EP0136613A2 (fr) * 1983-10-04 1985-04-10 Krupp Stahl AG Rail ayant une haute résistance à l'usure dans le champignon et une haute résistance à la rupture dans le patin
EP0161236A2 (fr) * 1984-05-09 1985-11-13 CENTRE DE RECHERCHES METALLURGIQUES CENTRUM VOOR RESEARCH IN DE METALLURGIE Association sans but lucratif Dispositif perfectionnés pour la fabrication de rails
EP0186373B1 (fr) * 1984-12-24 1990-09-12 Nippon Steel Corporation Procédé et dispositif pour le traitement thermique de rails

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 11, no. 315 (C-451)(2762) 14 octobre 1987; & JP-A-62 099 438 (Nippon Kokan) 08.05.1987 *

Also Published As

Publication number Publication date
US4810311A (en) 1989-03-07
LU86510A1 (fr) 1988-02-02
EP0252895B1 (fr) 1992-10-21
DE3782280D1 (de) 1992-11-26
CA1307723C (fr) 1992-09-22
EP0252895A2 (fr) 1988-01-13
JPS6328824A (ja) 1988-02-06
JP2716127B2 (ja) 1998-02-18
ATE81676T1 (de) 1992-11-15

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