JPH0121850B2 - - Google Patents

Info

Publication number
JPH0121850B2
JPH0121850B2 JP57152246A JP15224682A JPH0121850B2 JP H0121850 B2 JPH0121850 B2 JP H0121850B2 JP 57152246 A JP57152246 A JP 57152246A JP 15224682 A JP15224682 A JP 15224682A JP H0121850 B2 JPH0121850 B2 JP H0121850B2
Authority
JP
Japan
Prior art keywords
steel pipe
welded
heating
line
temperature
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.)
Expired
Application number
JP57152246A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5941420A (ja
Inventor
Yasuhiko Muraoka
Takeo Kitaoka
Keiji Minami
Akihiro Kanekuni
Shinji Nimya
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 Nisshin Co Ltd
Original Assignee
Nisshin Steel Co 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 Nisshin Steel Co Ltd filed Critical Nisshin Steel Co Ltd
Priority to JP15224682A priority Critical patent/JPS5941420A/ja
Publication of JPS5941420A publication Critical patent/JPS5941420A/ja
Publication of JPH0121850B2 publication Critical patent/JPH0121850B2/ja
Granted 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

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 Steel (AREA)
JP15224682A 1982-08-31 1982-08-31 溶接鋼管の製造方法 Granted JPS5941420A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15224682A JPS5941420A (ja) 1982-08-31 1982-08-31 溶接鋼管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15224682A JPS5941420A (ja) 1982-08-31 1982-08-31 溶接鋼管の製造方法

Publications (2)

Publication Number Publication Date
JPS5941420A JPS5941420A (ja) 1984-03-07
JPH0121850B2 true JPH0121850B2 (fr) 1989-04-24

Family

ID=15536287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15224682A Granted JPS5941420A (ja) 1982-08-31 1982-08-31 溶接鋼管の製造方法

Country Status (1)

Country Link
JP (1) JPS5941420A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6478623A (en) * 1987-09-21 1989-03-24 Sumitomo Metal Ind Cooling method for hot welded steel pipe
JP5304915B2 (ja) * 2012-03-09 2013-10-02 新日鐵住金株式会社 金属管の製造方法及び製造設備

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635722A (en) * 1979-08-30 1981-04-08 Nippon Kokan Kk <Nkk> Production of thick-walled high tensile large-diameter steel pipe
JPS5647214A (en) * 1979-09-28 1981-04-28 Nisshin Steel Co Ltd Manufacture of welded pipe of special steel
JPS5769186A (en) * 1980-10-17 1982-04-27 Kawasaki Steel Co High tension large sized steel pipe superior in stopping characteristic for transmitting unstable ductility breaking
JPS57104623A (en) * 1980-12-19 1982-06-29 Nippon Kokan Kk <Nkk> Manufacture of high strength and high toughness steel pipe of large diameter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5635722A (en) * 1979-08-30 1981-04-08 Nippon Kokan Kk <Nkk> Production of thick-walled high tensile large-diameter steel pipe
JPS5647214A (en) * 1979-09-28 1981-04-28 Nisshin Steel Co Ltd Manufacture of welded pipe of special steel
JPS5769186A (en) * 1980-10-17 1982-04-27 Kawasaki Steel Co High tension large sized steel pipe superior in stopping characteristic for transmitting unstable ductility breaking
JPS57104623A (en) * 1980-12-19 1982-06-29 Nippon Kokan Kk <Nkk> Manufacture of high strength and high toughness steel pipe of large diameter

Also Published As

Publication number Publication date
JPS5941420A (ja) 1984-03-07

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