JPS552768A - Manufacture of rail - Google Patents

Manufacture of rail

Info

Publication number
JPS552768A
JPS552768A JP7552078A JP7552078A JPS552768A JP S552768 A JPS552768 A JP S552768A JP 7552078 A JP7552078 A JP 7552078A JP 7552078 A JP7552078 A JP 7552078A JP S552768 A JPS552768 A JP S552768A
Authority
JP
Japan
Prior art keywords
rail
steel
pearlite structure
temperature range
hardened layer
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
JP7552078A
Other languages
English (en)
Other versions
JPS5818966B2 (ja
Inventor
Norihiro Iwasaki
Masahiro Ueda
Kozo Fukuda
Toshiji Irie
Takao Gishi
Isao Koyubi
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
NKK Corp
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
Application filed by NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP53075520A priority Critical patent/JPS5818966B2/ja
Publication of JPS552768A publication Critical patent/JPS552768A/ja
Publication of JPS5818966B2 publication Critical patent/JPS5818966B2/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)
JP53075520A 1978-06-23 1978-06-23 レ−ルの製造方法 Expired JPS5818966B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53075520A JPS5818966B2 (ja) 1978-06-23 1978-06-23 レ−ルの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53075520A JPS5818966B2 (ja) 1978-06-23 1978-06-23 レ−ルの製造方法

Publications (2)

Publication Number Publication Date
JPS552768A true JPS552768A (en) 1980-01-10
JPS5818966B2 JPS5818966B2 (ja) 1983-04-15

Family

ID=13578580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53075520A Expired JPS5818966B2 (ja) 1978-06-23 1978-06-23 レ−ルの製造方法

Country Status (1)

Country Link
JP (1) JPS5818966B2 (ja)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59133322A (ja) * 1983-01-21 1984-07-31 Nippon Steel Corp レ−ルの熱処理方法
JPS60251221A (ja) * 1967-08-30 1985-12-11 サントル・ド・ルシエルシユ・メタリユルジク レールの製造に関する改良方法と装置
JPS6362846A (ja) * 1986-09-03 1988-03-19 Nippon Kokan Kk <Nkk> 溶接部の耐軟化性に優れた低合金高強度レ−ル
JPS63128123A (ja) * 1986-11-17 1988-05-31 Nkk Corp 靭性の優れた高強度レ−ルの製造方法
JPH02282448A (ja) * 1989-04-20 1990-11-20 Nippon Steel Corp 耐ころがり疲労損傷性に優れたレール
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
US5759299A (en) * 1994-05-10 1998-06-02 Nkk Corporation Rail having excellent resistance to rolling fatigue damage and rail having excellent toughness and wear resistance and method of manufacturing the same
US6406569B1 (en) * 1992-07-15 2002-06-18 Voest-Alpine Schienen Gmbh Procedure for the thermal treatment of rails
WO2005066377A1 (en) * 2004-01-09 2005-07-21 Nippon Steel Corporation Rail manufacturing method
US7955445B2 (en) 2007-03-28 2011-06-07 Jfe Steel Corporation Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same
JPWO2016027467A1 (ja) * 2014-08-20 2017-04-27 Ｊｆｅスチール株式会社 熱処理レールの製造方法および製造装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100186857A1 (en) * 2007-10-10 2010-07-29 Jfe Steel Corporation Internal high hardness type pearlitic rail with excellent wear resistance, rolling contact fatigue resistance, and delayed fracture property and method for producing same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047808A (ja) * 1973-05-02 1975-04-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5047808A (ja) * 1973-05-02 1975-04-28

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60251221A (ja) * 1967-08-30 1985-12-11 サントル・ド・ルシエルシユ・メタリユルジク レールの製造に関する改良方法と装置
JPS59133322A (ja) * 1983-01-21 1984-07-31 Nippon Steel Corp レ−ルの熱処理方法
JPS6362846A (ja) * 1986-09-03 1988-03-19 Nippon Kokan Kk <Nkk> 溶接部の耐軟化性に優れた低合金高強度レ−ル
JPH0559191B2 (ja) * 1986-09-03 1993-08-30 Nippon Kokan Kk
JPS63128123A (ja) * 1986-11-17 1988-05-31 Nkk Corp 靭性の優れた高強度レ−ルの製造方法
JPH02282448A (ja) * 1989-04-20 1990-11-20 Nippon Steel Corp 耐ころがり疲労損傷性に優れたレール
US6406569B1 (en) * 1992-07-15 2002-06-18 Voest-Alpine Schienen Gmbh Procedure for the thermal treatment of rails
US6547897B2 (en) 1992-07-15 2003-04-15 Voest-Alpine Schienen Gmbh Procedure for the thermal treatment of 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
US5759299A (en) * 1994-05-10 1998-06-02 Nkk Corporation Rail having excellent resistance to rolling fatigue damage and rail having excellent toughness and wear resistance and method of manufacturing the same
WO2005066377A1 (en) * 2004-01-09 2005-07-21 Nippon Steel Corporation Rail manufacturing method
US7828917B2 (en) * 2004-01-09 2010-11-09 Nippon Steel Corporation Rail manufacturing method
US7955445B2 (en) 2007-03-28 2011-06-07 Jfe Steel Corporation Internal high hardness type pearlitic rail with excellent wear resistance and rolling contact fatigue resistance and method for producing same
JPWO2016027467A1 (ja) * 2014-08-20 2017-04-27 Ｊｆｅスチール株式会社 熱処理レールの製造方法および製造装置
EP3184654A4 (en) * 2014-08-20 2017-08-16 JFE Steel Corporation Heat treatment rail manufacturing method and manufacturing apparatus
US10472693B2 (en) 2014-08-20 2019-11-12 Jfe Steel Corporation Head hardened rail manufacturing method and manufacturing apparatus

Also Published As

Publication number Publication date
JPS5818966B2 (ja) 1983-04-15

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