FI46521C - Method and device for heat treatment of rails. - Google Patents

Method and device for heat treatment of rails.

Info

Publication number
FI46521C
FI46521C FI661117A FI111766A FI46521C FI 46521 C FI46521 C FI 46521C FI 661117 A FI661117 A FI 661117A FI 111766 A FI111766 A FI 111766A FI 46521 C FI46521 C FI 46521C
Authority
FI
Finland
Prior art keywords
rails
heat treatment
treatment
heat
Prior art date
Application number
FI661117A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI46521B (en
Inventor
Pomey
Original Assignee
Usinor 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
Priority claimed from FR14981A external-priority patent/FR1458157A/en
Application filed by Usinor Sa filed Critical Usinor Sa
Application granted granted Critical
Publication of FI46521B publication Critical patent/FI46521B/en
Publication of FI46521C publication Critical patent/FI46521C/en

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
    • C21D1/34—Methods of heating
    • C21D1/53—Heating in fluidised beds
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese

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)
  • Metal Rolling (AREA)
FI661117A 1965-04-28 1966-04-28 Method and device for heat treatment of rails. FI46521C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR14981A FR1458157A (en) 1965-04-28 1965-04-28 Method and installation of heat treatment of rails
FR53062A FR90024E (en) 1965-04-28 1966-03-11 Method and installation of heat treatment of rails

Publications (2)

Publication Number Publication Date
FI46521B FI46521B (en) 1973-01-02
FI46521C true FI46521C (en) 1973-04-10

Family

ID=26235587

Family Applications (1)

Application Number Title Priority Date Filing Date
FI661117A FI46521C (en) 1965-04-28 1966-04-28 Method and device for heat treatment of rails.

Country Status (13)

Country Link
US (1) US3519497A (en)
AT (1) AT287038B (en)
BE (1) BE680222A (en)
DE (1) DE1533982B1 (en)
ES (1) ES326499A1 (en)
FI (1) FI46521C (en)
FR (1) FR90024E (en)
GB (1) GB1131662A (en)
LU (1) LU50979A1 (en)
NL (1) NL6605705A (en)
OA (1) OA01952A (en)
PL (1) PL72550B1 (en)
SE (1) SE309257B (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666253A (en) * 1969-12-26 1972-05-30 Yuri Yoshio Fluidized bed furnace
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
JPS52149229A (en) * 1976-06-07 1977-12-12 Kobe Steel Ltd Surface treatment method due to fluid layer system
JPS54148124A (en) * 1978-05-12 1979-11-20 Nippon Steel Corp Manufacture of high strength rall of excellent weldability
SE425799B (en) * 1980-03-13 1982-11-08 Per Olof Strandell DEVICE FOR DISPOSAL OF THE METAL SUBSTANCE
BE884443A (en) * 1980-07-23 1981-01-23 Centre Rech Metallurgique IMPROVEMENTS IN METHODS OF MANUFACTURING HIGH-STRENGTH RAILS
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
US4895605A (en) * 1988-08-19 1990-01-23 Algoma Steel Corporation Method for the manufacture of hardened railroad rails
GB2297094B (en) * 1995-01-20 1998-09-23 British Steel Plc Improvements in and relating to Carbide-Free Bainitic Steels
AT407057B (en) * 1996-12-19 2000-12-27 Voest Alpine Schienen Gmbh PROFILED ROLLING MATERIAL AND METHOD FOR THE PRODUCTION THEREOF
GB2352726A (en) * 1999-08-04 2001-02-07 Secr Defence A steel and a heat treatment for steels
DE102011014877A1 (en) * 2011-03-23 2012-09-27 Db Netz Ag Method of re-forging a track part and track parts re-covered according to this method
GB2497538B (en) 2011-12-13 2016-02-24 Rolls Royce Plc Fluidised bed treatment
GB2497541B (en) 2011-12-13 2014-05-14 Rolls Royce Plc Method and apparatus for the treatment of part of a component using a fluidised bed of powder, the apparatus including a powder screen
AT512792B1 (en) 2012-09-11 2013-11-15 Voestalpine Schienen Gmbh Process for the production of bainitic rail steels
CN103468906A (en) * 2013-09-17 2013-12-25 北京科技大学 Process for preparing 2000 MPa nano-scale bainitic steel through low temperature rolling
CN113416818B (en) * 2021-05-12 2022-09-23 包头钢铁（集团）有限责任公司 Heat treatment process of high-strength and high-toughness bainite/martensite multiphase bainite steel rail

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US368132A (en) * 1887-08-09 coffin
US879634A (en) * 1907-07-12 1908-02-18 Robert Abbott Hadfield Method of improving steel rails.
US1827616A (en) * 1928-09-29 1931-10-13 Firm Of Messrs Sandberg Manufacture of railway and tramway rails
DE612757C (en) * 1928-09-29 1935-05-04 Christer Peter Sandberg Process to prevent internal cracks when cooling railway and tram tracks
US2116070A (en) * 1936-01-27 1938-05-03 American Brake Shoe & Foundry Heat treatment of ferrous sections
US2576223A (en) * 1948-02-17 1951-11-27 Hofmann Fritz Method of producing wear resistant steel rails
US3197346A (en) * 1953-11-27 1965-07-27 Exxon Research Engineering Co Heat treatment of ferrous metals with fluidized particles
US3053704A (en) * 1953-11-27 1962-09-11 Exxon Research Engineering Co Heat treating metals

Also Published As

Publication number Publication date
OA01952A (en) 1970-02-04
FR90024E (en) 1967-09-29
ES326499A1 (en) 1967-03-01
DE1533982B1 (en) 1970-11-26
GB1131662A (en) 1968-10-23
BE680222A (en) 1966-10-03
AT287038B (en) 1971-01-11
FI46521B (en) 1973-01-02
NL6605705A (en) 1966-10-31
US3519497A (en) 1970-07-07
SE309257B (en) 1969-03-17
LU50979A1 (en) 1966-06-27
PL72550B1 (en) 1974-08-30

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