JPS53125917A - Method and apparatus for hardening large diameter steel pipes - Google Patents

Method and apparatus for hardening large diameter steel pipes

Info

Publication number
JPS53125917A
JPS53125917A JP4125277A JP4125277A JPS53125917A JP S53125917 A JPS53125917 A JP S53125917A JP 4125277 A JP4125277 A JP 4125277A JP 4125277 A JP4125277 A JP 4125277A JP S53125917 A JPS53125917 A JP S53125917A
Authority
JP
Japan
Prior art keywords
large diameter
steel pipes
diameter steel
cooling
hardening large
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
JP4125277A
Other languages
Japanese (ja)
Other versions
JPS5932529B2 (en
Inventor
Hajime Nakasugi
Tsutomu Kimura
Masanobu Yamaguchi
Mamoru Ohashi
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 JP4125277A priority Critical patent/JPS5932529B2/en
Publication of JPS53125917A publication Critical patent/JPS53125917A/en
Publication of JPS5932529B2 publication Critical patent/JPS5932529B2/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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or 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)

Abstract

PURPOSE:To accomplish even cooling of heated large diameter steel pipes with improved adhesion of cooling medium thereto by rotating inner cooling nozzle in a concentric circle on the axis of the pipe with the action of the other cooling nozzle.
JP4125277A 1977-04-11 1977-04-11 Hardening method and equipment for large diameter steel pipes Expired JPS5932529B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4125277A JPS5932529B2 (en) 1977-04-11 1977-04-11 Hardening method and equipment for large diameter steel pipes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4125277A JPS5932529B2 (en) 1977-04-11 1977-04-11 Hardening method and equipment for large diameter steel pipes

Publications (2)

Publication Number Publication Date
JPS53125917A true JPS53125917A (en) 1978-11-02
JPS5932529B2 JPS5932529B2 (en) 1984-08-09

Family

ID=12603239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4125277A Expired JPS5932529B2 (en) 1977-04-11 1977-04-11 Hardening method and equipment for large diameter steel pipes

Country Status (1)

Country Link
JP (1) JPS5932529B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458885A (en) * 1981-05-06 1984-07-10 Nippon Kokan Kabushiki Kaisha Quenching apparatus for steel pipes
US4504042A (en) * 1982-02-16 1985-03-12 Kruppert Enterprises, Inc. Apparatus for heat treating steel
JP6158369B1 (en) * 2016-01-27 2017-07-05 第一熱処理工業株式会社 Steel pipe cooling system
CN109423541A (en) * 2017-09-01 2019-03-05 宝山钢铁股份有限公司 The process units and method of steel pipe off-line quenching

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458885A (en) * 1981-05-06 1984-07-10 Nippon Kokan Kabushiki Kaisha Quenching apparatus for steel pipes
US4504042A (en) * 1982-02-16 1985-03-12 Kruppert Enterprises, Inc. Apparatus for heat treating steel
JP6158369B1 (en) * 2016-01-27 2017-07-05 第一熱処理工業株式会社 Steel pipe cooling system
JP2017133059A (en) * 2016-01-27 2017-08-03 第一熱処理工業株式会社 Cooling apparatus for steel pipe
CN109423541A (en) * 2017-09-01 2019-03-05 宝山钢铁股份有限公司 The process units and method of steel pipe off-line quenching

Also Published As

Publication number Publication date
JPS5932529B2 (en) 1984-08-09

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