FR2437266A1 - Procede pour la fabrication d'un tuyau soude a soudure en helice en utilisant plusieurs electrodes en tandem - Google Patents

Procede pour la fabrication d'un tuyau soude a soudure en helice en utilisant plusieurs electrodes en tandem

Info

Publication number
FR2437266A1
FR2437266A1 FR7827534A FR7827534A FR2437266A1 FR 2437266 A1 FR2437266 A1 FR 2437266A1 FR 7827534 A FR7827534 A FR 7827534A FR 7827534 A FR7827534 A FR 7827534A FR 2437266 A1 FR2437266 A1 FR 2437266A1
Authority
FR
France
Prior art keywords
welding
perform
arc welding
manufacture
welding pipe
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
FR7827534A
Other languages
English (en)
Other versions
FR2437266B1 (fr
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
Application filed by Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Priority to FR7827534A priority Critical patent/FR2437266A1/fr
Publication of FR2437266A1 publication Critical patent/FR2437266A1/fr
Application granted granted Critical
Publication of FR2437266B1 publication Critical patent/FR2437266B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/02—Seam welding; Backing means; Inserts
    • B23K9/032—Seam welding; Backing means; Inserts for three-dimensional [3D] seams
    • B23K9/0325—Seam welding; Backing means; Inserts for three-dimensional [3D] seams helicoidal seams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00
    • B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by any single one of main groups B23K1/00 - B23K28/00 relating to soldering or welding
    • B23K31/027—Making tubes by soldering or welding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)

Abstract

LE PROCEDE SELON L'INVENTION CONSISTE A FORMER A PARTIR D'UNE BANDE D'ACIER 2 UNE EBAUCHE DE TUYAU 3 DANS LA DIRECTION HORIZONTALE, A EFFECTUER UN PREMIER SOUDAGE INTERIEUR A L'ARC SOUS PROTECTION D'UN GAZ EN POSITION D, A EFFECTUER UN SOUDAGE CONSECUTIF A L'ARC SUBMERGE EN POSITION E, A EFFECTUER UN SOUDAGE EXTERIEUR A L'ARC SOUS PROTECTION D'UN GAZ EN TANT QUE PREMIER SOUDAGE EN POSITION F ET A EFFECTUER UN SOUDAGE A L'ARC SUBMERGE EN POSITION G EN TANT QUE SOUDAGE EXTERIEUR, LES DISTANCES ENTRE LES DIFFERENTS POINTS ETANT EGALES A LA DISTANCE POUR UN TOUR DE L'EBAUCHE 3 OU A UN NOMBRE ENTIER DE FOIS CETTE DISTANCE, ET LES ELECTRODES AYANT UN DIAMETRE DE 3 A 8MM ET LE COURANT DE SOUDAGE ETANT DE 600 A 2000A AVEC DES TENSIONS DE SOUDAGE DE 20 A 50V, POUR OBTENIR DES SOUDURES SAINES SANS PARTIES CONCAVES CENTRALES ET SANS AUTRES DEFAUTS.
FR7827534A 1978-09-26 1978-09-26 Procede pour la fabrication d'un tuyau soude a soudure en helice en utilisant plusieurs electrodes en tandem Granted FR2437266A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7827534A FR2437266A1 (fr) 1978-09-26 1978-09-26 Procede pour la fabrication d'un tuyau soude a soudure en helice en utilisant plusieurs electrodes en tandem

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7827534A FR2437266A1 (fr) 1978-09-26 1978-09-26 Procede pour la fabrication d'un tuyau soude a soudure en helice en utilisant plusieurs electrodes en tandem

Publications (2)

Publication Number Publication Date
FR2437266A1 true FR2437266A1 (fr) 1980-04-25
FR2437266B1 FR2437266B1 (fr) 1983-01-07

Family

ID=9213047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7827534A Granted FR2437266A1 (fr) 1978-09-26 1978-09-26 Procede pour la fabrication d'un tuyau soude a soudure en helice en utilisant plusieurs electrodes en tandem

Country Status (1)

Country Link
FR (1) FR2437266A1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120636A5 (fr) * 1971-01-06 1972-08-18 Lb Foster Co

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2120636A5 (fr) * 1971-01-06 1972-08-18 Lb Foster Co

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV191/77 *

Also Published As

Publication number Publication date
FR2437266B1 (fr) 1983-01-07

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Legal Events

Date Code Title Description
ST Notification of lapse