CA1097748A - Methode de soudage, par l'interieur et a l'arc, de la couture d'une ebauche de tuyau - Google Patents

Methode de soudage, par l'interieur et a l'arc, de la couture d'une ebauche de tuyau

Info

Publication number
CA1097748A
CA1097748A CA341,274A CA341274A CA1097748A CA 1097748 A CA1097748 A CA 1097748A CA 341274 A CA341274 A CA 341274A CA 1097748 A CA1097748 A CA 1097748A
Authority
CA
Canada
Prior art keywords
welding
pipe
blank
electrodes
polarity
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
CA341,274A
Other languages
English (en)
Inventor
Jinkichi Tanaka
Fusao Koshiga
Itaru Watanabe
Toshihiro Takamura
Motoaki Suzuki
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
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
Priority claimed from JP3139376A external-priority patent/JPS52114545A/ja
Priority claimed from JP7277976A external-priority patent/JPS52156149A/ja
Priority claimed from CA274,579A external-priority patent/CA1080813A/fr
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to CA341,274A priority Critical patent/CA1097748A/fr
Application granted granted Critical
Publication of CA1097748A publication Critical patent/CA1097748A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
CA341,274A 1976-03-24 1979-12-05 Methode de soudage, par l'interieur et a l'arc, de la couture d'une ebauche de tuyau Expired CA1097748A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA341,274A CA1097748A (fr) 1976-03-24 1979-12-05 Methode de soudage, par l'interieur et a l'arc, de la couture d'une ebauche de tuyau

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP31393/76 1976-03-24
JP3139376A JPS52114545A (en) 1976-03-24 1976-03-24 Welding method
JP72,779/76 1976-06-22
JP7277976A JPS52156149A (en) 1976-06-22 1976-06-22 Welding process
CA274,579A CA1080813A (fr) 1976-03-24 1977-03-23 Methode de soudage longitudinal par l'interieur de tuyaux en acier non finis
CA341,274A CA1097748A (fr) 1976-03-24 1979-12-05 Methode de soudage, par l'interieur et a l'arc, de la couture d'une ebauche de tuyau

Publications (1)

Publication Number Publication Date
CA1097748A true CA1097748A (fr) 1981-03-17

Family

ID=27425980

Family Applications (1)

Application Number Title Priority Date Filing Date
CA341,274A Expired CA1097748A (fr) 1976-03-24 1979-12-05 Methode de soudage, par l'interieur et a l'arc, de la couture d'une ebauche de tuyau

Country Status (1)

Country Link
CA (1) CA1097748A (fr)

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