IT1085210B - Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'interno - Google Patents

Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'interno

Info

Publication number
IT1085210B
IT1085210B IT21545/77A IT2154577A IT1085210B IT 1085210 B IT1085210 B IT 1085210B IT 21545/77 A IT21545/77 A IT 21545/77A IT 2154577 A IT2154577 A IT 2154577A IT 1085210 B IT1085210 B IT 1085210B
Authority
IT
Italy
Prior art keywords
tube
magentism
welding line
welded steel
eliminate residual
Prior art date
Application number
IT21545/77A
Other languages
English (en)
Italian (it)
Original Assignee
Nippon Kokan Kk
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 Kk filed Critical Nippon Kokan Kk
Application granted granted Critical
Publication of IT1085210B publication Critical patent/IT1085210B/it

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material
    • 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
    • B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
    • B23K9/0253—Seam welding; Backing means; Inserts for rectilinear seams for the longitudinal seam of tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Arc Welding Control (AREA)
IT21545/77A 1976-04-06 1977-03-22 Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'interno IT1085210B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3782576A JPS52120936A (en) 1976-04-06 1976-04-06 Method of erasing residual magnetism in welding

Publications (1)

Publication Number Publication Date
IT1085210B true IT1085210B (it) 1985-05-28

Family

ID=12508288

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21545/77A IT1085210B (it) 1976-04-06 1977-03-22 Metodo per eliminare magentismo residuo in un pezzo grezzo di tubo per tubo in acciaio saldato con linea di saldatura longitudinale dall'interno

Country Status (7)

Country Link
US (1) US4107503A (enExample)
JP (1) JPS52120936A (enExample)
CA (1) CA1083228A (enExample)
DE (1) DE2713309C3 (enExample)
FR (1) FR2347148A1 (enExample)
GB (1) GB1552902A (enExample)
IT (1) IT1085210B (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5478343A (en) * 1977-12-06 1979-06-22 Nippon Kokan Kk <Nkk> Dc arc welder
US4278868A (en) * 1977-12-19 1981-07-14 Thermatool Corp. Methods and apparatus for heating metal parts with magnetically driven travelling electric arc
US4341938A (en) * 1979-03-28 1982-07-27 Nippon Kokan Kabushiki Kaisha Method and apparatus for seam-welding steel pipes
JPS59141704U (ja) * 1983-03-11 1984-09-21 株式会社クボタ 尾輪のフロ−テイング装置
US5345058A (en) * 1992-08-05 1994-09-06 Newport News Shipbuilding And Dry Dock Company Magnetic field negating system for weldments
US20060288569A1 (en) * 2005-06-23 2006-12-28 Carlson J D Electronic circuit board assembly fixturing device and method of making electronic circuit board assemblies
WO2009120150A1 (en) * 2008-03-28 2009-10-01 Shawcor Ltd. Demagnetization system and method
DE102009020146B3 (de) * 2009-04-08 2010-06-10 V & M Deutschland Gmbh Verfahren und Vorrichtung zum Verbinden der Enden von Rohren aus Stahl mittels Orbitalschweißen in Hybridtechnik
EP2974820B1 (de) * 2014-07-17 2017-04-12 Ewm Ag Lichtbogenschweißgerät, System und Verfahren zum Abmagnetisieren eines Metallrohres
CN106112203B (zh) * 2016-04-05 2018-06-01 福建福船一帆新能源装备制造有限公司 一种厚板管状结构纵缝焊接控制裂纹的方法
CN117001277A (zh) * 2023-07-30 2023-11-07 海洋石油工程（青岛）有限公司 一种结构管直焊缝引熄弧板预制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840330A (en) * 1929-08-26 1932-01-12 Smith Corp A O Apparatus for electric arc welding pipe
US1947077A (en) * 1930-04-30 1934-02-13 Lincoln Electric Co Arc welding
DE629742C (de) * 1932-07-02 1936-05-09 Machinerieeen En App N Fabriek Verfahren zur Herstellung lichtbogengeschweisster Naehte
US2152194A (en) * 1936-04-17 1939-03-28 Union Carbide & Carbon Res Lab Electric welding
US2564396A (en) * 1949-11-01 1951-08-14 Republic Steel Corp Seam welding procedure for pipe manufacture
US2677802A (en) * 1949-11-25 1954-05-04 Emmett M Irwin Method and apparatus for demagnetizing material
SU149840A1 (ru) * 1961-11-24 1961-11-30 Н.М. Будник Способ электродуговой сварки стальных труб
US3215813A (en) * 1963-03-27 1965-11-02 William B Stoneberger Demagnetization for arc welding
JPS5131784B2 (enExample) * 1973-05-25 1976-09-08
JPS5134840A (ja) * 1974-09-19 1976-03-24 Mitsubishi Electric Corp Aakuyosetsusochi

Also Published As

Publication number Publication date
US4107503A (en) 1978-08-15
CA1083228A (en) 1980-08-05
FR2347148A1 (fr) 1977-11-04
GB1552902A (en) 1979-09-19
JPS5537346B2 (enExample) 1980-09-27
FR2347148B1 (enExample) 1981-01-16
DE2713309B2 (de) 1981-06-04
DE2713309C3 (de) 1984-08-23
JPS52120936A (en) 1977-10-11
DE2713309A1 (de) 1977-10-13

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