JPS55152126A - Heat treatment for enhancing breakage resistance of heat treated rail with hard head - Google Patents

Heat treatment for enhancing breakage resistance of heat treated rail with hard head

Info

Publication number
JPS55152126A
JPS55152126A JP5984279A JP5984279A JPS55152126A JP S55152126 A JPS55152126 A JP S55152126A JP 5984279 A JP5984279 A JP 5984279A JP 5984279 A JP5984279 A JP 5984279A JP S55152126 A JPS55152126 A JP S55152126A
Authority
JP
Japan
Prior art keywords
rail
head
central portion
heat treatment
breakage resistance
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
JP5984279A
Other languages
English (en)
Other versions
JPS5835573B2 (ja
Inventor
Koki Masumoto
Kazuo Sugino
Shinichi Nishida
Chikayuki Urashima
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP5984279A priority Critical patent/JPS5835573B2/ja
Publication of JPS55152126A publication Critical patent/JPS55152126A/ja
Publication of JPS5835573B2 publication Critical patent/JPS5835573B2/ja
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)
JP5984279A 1979-05-16 1979-05-16 硬頭熱処理レ−ルの耐破壊性を高める熱処理方法 Expired JPS5835573B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5984279A JPS5835573B2 (ja) 1979-05-16 1979-05-16 硬頭熱処理レ−ルの耐破壊性を高める熱処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5984279A JPS5835573B2 (ja) 1979-05-16 1979-05-16 硬頭熱処理レ−ルの耐破壊性を高める熱処理方法

Publications (2)

Publication Number Publication Date
JPS55152126A true JPS55152126A (en) 1980-11-27
JPS5835573B2 JPS5835573B2 (ja) 1983-08-03

Family

ID=13124861

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5984279A Expired JPS5835573B2 (ja) 1979-05-16 1979-05-16 硬頭熱処理レ−ルの耐破壊性を高める熱処理方法

Country Status (1)

Country Link
JP (1) JPS5835573B2 (ja)

Also Published As

Publication number Publication date
JPS5835573B2 (ja) 1983-08-03

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