DE3370972D1 - Method of heat treating rails - Google Patents

Method of heat treating rails

Info

Publication number
DE3370972D1
DE3370972D1 DE8383890026T DE3370972T DE3370972D1 DE 3370972 D1 DE3370972 D1 DE 3370972D1 DE 8383890026 T DE8383890026 T DE 8383890026T DE 3370972 T DE3370972 T DE 3370972T DE 3370972 D1 DE3370972 D1 DE 3370972D1
Authority
DE
Germany
Prior art keywords
heat treating
treating rails
rails
heat
treating
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
DE8383890026T
Other languages
German (de)
Inventor
Alfred Dr Dipl Ing Moser
Peter Dipl Ing Pointner
Georg Dipl Ing Prskawetz
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.)
Voestalpine Stahl Donawitz GmbH
Original Assignee
Voestalpine AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3503141&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3370972(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voestalpine AG filed Critical Voestalpine AG
Application granted granted Critical
Publication of DE3370972D1 publication Critical patent/DE3370972D1/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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching

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)
DE8383890026T 1982-03-09 1983-02-22 Method of heat treating rails Expired DE3370972D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0093182A AT375402B (en) 1982-03-09 1982-03-09 METHOD FOR HEAT-TREATING RAILS

Publications (1)

Publication Number Publication Date
DE3370972D1 true DE3370972D1 (en) 1987-05-21

Family

ID=3503141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8383890026T Expired DE3370972D1 (en) 1982-03-09 1983-02-22 Method of heat treating rails

Country Status (5)

Country Link
EP (1) EP0088746B1 (en)
JP (1) JPS58221229A (en)
AT (1) AT375402B (en)
CA (1) CA1205729A (en)
DE (1) DE3370972D1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62161917A (en) * 1986-01-09 1987-07-17 Nippon Steel Corp Manufacture of head end-heattreated rail excellent in resistance to damage and wear
JPS63203724A (en) * 1987-02-19 1988-08-23 Nkk Corp Method for hardening rail
DE4003363C1 (en) * 1990-02-05 1991-03-28 Voest-Alpine Industrieanlagenbau Ges.M.B.H., Linz, At Hardening rails from rolling temp. - using appts. with manipulator engaging rail from exit roller table with support arms positioned pivotably on each side
AT401359B (en) * 1991-04-05 1996-08-26 Vae Ag METHOD FOR PRODUCING A HEART PIECE
AT399346B (en) 1992-07-15 1995-04-25 Voest Alpine Schienen Gmbh METHOD FOR TREATING RAILS
US5658400A (en) * 1993-12-20 1997-08-19 Nippon Steel Corporation Rails of pearlitic steel with high wear resistance and toughness and their manufacturing methods
DE19621017C1 (en) * 1996-05-24 1998-01-08 Butzbacher Weichenbau Gmbh Process for the production of a track superstructure and track superstructure
AT409268B (en) * 2000-05-29 2002-07-25 Voest Alpine Schienen Gmbh & C METHOD AND DEVICE FOR HARDENING RAILS

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1242660B (en) * 1963-06-29 1967-06-22 Union Carbide Corp Quenching medium for quenching heat-treated metal
DE1802273A1 (en) * 1968-01-18 1969-08-07 Zentralinstitut Fuer Fertigung Quenching means for austenitic steels
DE2439338C2 (en) * 1974-08-16 1980-08-28 Fried. Krupp, Huettenwerke Ag, 4630 Bochum Process for the heat treatment of rails from the rolling heat
US4087290A (en) * 1975-07-03 1978-05-02 E. F. Houghton & Co. Process for the controlled cooling of ferrous metal
BE854834A (en) * 1977-05-18 1977-09-16 Centre Rech Metallurgique PROCESS FOR MANUFACTURING RAILS WITH IMPROVED CHARACTERISTICS

Also Published As

Publication number Publication date
CA1205729A (en) 1986-06-10
EP0088746A1 (en) 1983-09-14
AT375402B (en) 1984-08-10
JPS58221229A (en) 1983-12-22
ATA93182A (en) 1983-12-15
EP0088746B1 (en) 1987-04-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: VOEST-ALPINE STAHL DONAWITZ GES.M.B.H., LEOBEN-DON