JPS5248513A - Heating method of large diameter steel pipe - Google Patents

Heating method of large diameter steel pipe

Info

Publication number
JPS5248513A
JPS5248513A JP12384875A JP12384875A JPS5248513A JP S5248513 A JPS5248513 A JP S5248513A JP 12384875 A JP12384875 A JP 12384875A JP 12384875 A JP12384875 A JP 12384875A JP S5248513 A JPS5248513 A JP S5248513A
Authority
JP
Japan
Prior art keywords
steel pipe
large diameter
diameter steel
heating method
heating
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.)
Pending
Application number
JP12384875A
Other languages
Japanese (ja)
Inventor
Hiroyoshi Matsubara
Tetsuo Yamaguchi
Tadaaki Taira
Toshiro Ishihara
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 JP12384875A priority Critical patent/JPS5248513A/en
Publication of JPS5248513A publication Critical patent/JPS5248513A/en
Pending 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

Abstract

PURPOSE:To make uniform the temperature distribution of thickness direction and to minimize the deformation and the oxidized scale formation, by using both gas heating and high frequency induction electric heating, at the time of heating large diameter steel pipe at hardening temperature.
JP12384875A 1975-10-16 1975-10-16 Heating method of large diameter steel pipe Pending JPS5248513A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12384875A JPS5248513A (en) 1975-10-16 1975-10-16 Heating method of large diameter steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12384875A JPS5248513A (en) 1975-10-16 1975-10-16 Heating method of large diameter steel pipe

Publications (1)

Publication Number Publication Date
JPS5248513A true JPS5248513A (en) 1977-04-18

Family

ID=14870882

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12384875A Pending JPS5248513A (en) 1975-10-16 1975-10-16 Heating method of large diameter steel pipe

Country Status (1)

Country Link
JP (1) JPS5248513A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105567940A (en) * 2015-12-23 2016-05-11 北京有色金属研究总院 Method for improving flaring and bending deformation resisting capacity of metal pipe

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105567940A (en) * 2015-12-23 2016-05-11 北京有色金属研究总院 Method for improving flaring and bending deformation resisting capacity of metal pipe
CN105567940B (en) * 2015-12-23 2017-08-25 北京有色金属研究总院 A kind of method for improving the anti-enlarging crooked deformability of metal pipe material

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