FR2479265B1 - Procede de traitement thermique du champignon des rails - Google Patents

Procede de traitement thermique du champignon des rails

Info

Publication number
FR2479265B1
FR2479265B1 FR8007088A FR8007088A FR2479265B1 FR 2479265 B1 FR2479265 B1 FR 2479265B1 FR 8007088 A FR8007088 A FR 8007088A FR 8007088 A FR8007088 A FR 8007088A FR 2479265 B1 FR2479265 B1 FR 2479265B1
Authority
FR
France
Prior art keywords
heat treatment
mushroom
rail
rail mushroom
treatment
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.)
Expired
Application number
FR8007088A
Other languages
English (en)
Other versions
FR2479265A1 (fr
Inventor
Kazuo Kunioka
Takao Noguchi
Yoichi Tamura
Masahiro Ueda
Toshiharu Irie
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 Engineering Corp
Original Assignee
Nippon Kokan 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
Priority to ZA00801539A priority Critical patent/ZA801539B/xx
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to FR8007088A priority patent/FR2479265B1/fr
Publication of FR2479265A1 publication Critical patent/FR2479265A1/fr
Application granted granted Critical
Publication of FR2479265B1 publication Critical patent/FR2479265B1/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

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)
FR8007088A 1980-03-17 1980-03-28 Procede de traitement thermique du champignon des rails Expired FR2479265B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ZA00801539A ZA801539B (en) 1980-03-17 1980-03-17 Method for heat-treating steel rail head
FR8007088A FR2479265B1 (fr) 1980-03-17 1980-03-28 Procede de traitement thermique du champignon des rails

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA00801539A ZA801539B (en) 1980-03-17 1980-03-17 Method for heat-treating steel rail head
FR8007088A FR2479265B1 (fr) 1980-03-17 1980-03-28 Procede de traitement thermique du champignon des rails

Publications (2)

Publication Number Publication Date
FR2479265A1 FR2479265A1 (fr) 1981-10-02
FR2479265B1 true FR2479265B1 (fr) 1986-07-11

Family

ID=26221693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8007088A Expired FR2479265B1 (fr) 1980-03-17 1980-03-28 Procede de traitement thermique du champignon des rails

Country Status (2)

Country Link
FR (1) FR2479265B1 (fr)
ZA (1) ZA801539B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4749419A (en) * 1986-08-28 1988-06-07 Sommer Richard A Method for heat treating rail
DE4231957C1 (fr) * 1992-09-24 1993-08-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De
FR2738843B1 (fr) * 1995-09-20 1997-10-17 Sogerail Procede de traitement thermique d'un rail en acier

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573308A (en) * 1947-04-09 1951-10-30 Bethlehem Steel Corp End hardening of rails
FR989027A (fr) * 1949-04-15 1951-09-04 Procédé et installation pour la trempe des rails, sur la voie ou en atelier
FR1064527A (fr) * 1951-10-25 1954-05-14 Hu Ttenwerk Rheinhausen Ag Procédé de trempe de champignons de rails
JPS6034610B2 (ja) * 1977-10-17 1985-08-09 日本鋼管株式会社 レールの熱処理方法
DE2821227C2 (de) * 1978-05-16 1982-12-23 Krupp Stahl Ag, 4630 Bochum Verfahren zur Herstellung von Schienen mit verminderter Riffelbildung

Also Published As

Publication number Publication date
ZA801539B (en) 1981-08-26
FR2479265A1 (fr) 1981-10-02

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Legal Events

Date Code Title Description
ST Notification of lapse