FR2059102A5 - Cooling process for rails - Google Patents

Cooling process for rails

Info

Publication number
FR2059102A5
FR2059102A5 FR7030776A FR7030776A FR2059102A5 FR 2059102 A5 FR2059102 A5 FR 2059102A5 FR 7030776 A FR7030776 A FR 7030776A FR 7030776 A FR7030776 A FR 7030776A FR 2059102 A5 FR2059102 A5 FR 2059102A5
Authority
FR
France
Prior art keywords
rails
cooling process
heat
austenite
pref
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
FR7030776A
Other languages
French (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.)
Arcelor Luxembourg SA
Original Assignee
Arbed SA
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 Arbed SA filed Critical Arbed SA
Application granted granted Critical
Publication of FR2059102A5 publication Critical patent/FR2059102A5/en
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
    • 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
    • C21D1/84—Controlled slow cooling

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 Treatments In General, Especially Conveying And Cooling (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The rails, before they reach the equilibrium temperature of austenite, are placed on their base on a heat insulating layer or over a heat reflecting surface. Pref. the surfaces of the rails are eventually covered with an insulating material, such as a ceramic wool mat.
FR7030776A 1969-08-23 1970-08-21 Cooling process for rails Expired FR2059102A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691942929 DE1942929B2 (en) 1969-08-23 1969-08-23 METHOD OF COOLING RAILS

Publications (1)

Publication Number Publication Date
FR2059102A5 true FR2059102A5 (en) 1971-05-28

Family

ID=5743583

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7030776A Expired FR2059102A5 (en) 1969-08-23 1970-08-21 Cooling process for rails

Country Status (4)

Country Link
BE (1) BE755207A (en)
DE (1) DE1942929B2 (en)
FR (1) FR2059102A5 (en)
LU (1) LU61363A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053933B4 (en) * 2000-10-31 2005-01-27 Thyssen Krupp Gleistechnik Gmbh Method for straightening a rail

Also Published As

Publication number Publication date
DE1942929B2 (en) 1971-09-02
BE755207A (en) 1971-02-01
LU61363A1 (en) 1970-09-21
DE1942929A1 (en) 1971-02-25

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse