RU98117295A - METHOD FOR WELDING PIPES FROM STEELS WITH ANTI-CORROSION COATING IN A PIPELINE - Google Patents

METHOD FOR WELDING PIPES FROM STEELS WITH ANTI-CORROSION COATING IN A PIPELINE

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Publication number
RU98117295A
RU98117295A RU98117295/02A RU98117295A RU98117295A RU 98117295 A RU98117295 A RU 98117295A RU 98117295/02 A RU98117295/02 A RU 98117295/02A RU 98117295 A RU98117295 A RU 98117295A RU 98117295 A RU98117295 A RU 98117295A
Authority
RU
Russia
Prior art keywords
welding
corrosion coating
pipes
pipeline
steels
Prior art date
Application number
RU98117295/02A
Other languages
Russian (ru)
Other versions
RU2155655C2 (en
Inventor
Е.Н. Галиченко
А.П. Медведев
Н.Н. Прохоров
М.Ю. Мухин
А.О. Малашенко
Original Assignee
Предприятие "Белозерное"
Filing date
Publication date
Application filed by Предприятие "Белозерное" filed Critical Предприятие "Белозерное"
Priority to RU98117295A priority Critical patent/RU2155655C2/en
Priority claimed from RU98117295A external-priority patent/RU2155655C2/en
Publication of RU98117295A publication Critical patent/RU98117295A/en
Application granted granted Critical
Publication of RU2155655C2 publication Critical patent/RU2155655C2/en

Links

Claims (1)

Способ сварки труб из сталей с антикоррозионным покрытием в трубопровод, включающий обработку торцов труб механическим способом, сборку стыка и комбинированную сварку стыка с выполнением корневого шва ручной аргонодуговой сваркой в среде защитного газа и заваркой оставшегося сечения ручной дуговой сваркой покрытыми электродами, отличающийся тем, что обработку торцов труб под сварку производят по прямой линейной образующей с углом раскрытия 35-37o, ручную аргонодуговую сварку корневого шва по внутреннему антикоррозионному покрытию из сталей аустенитного класса производят с подачей аргона (защитного газа) только с внешней стороны шва при сварочном токе 180 - 210 А.A method of welding pipes from steel with an anti-corrosion coating into a pipeline, including machining the ends of the pipes mechanically, assembling the joint and combined welding of the joint with the root weld by manual argon-arc welding in a protective gas medium and welding of the remaining cross section by manual arc welding with coated electrodes, characterized in that the processing the ends of the pipes for welding are produced in a straight linear generatrix with an opening angle of 35-37 o , manual argon-arc welding of the root seam along the internal anti-corrosion coating of austenitic class steels are produced with argon supply (shielding gas) only from the outside of the weld at a welding current of 180 - 210 A.
RU98117295A 1998-09-09 1998-09-09 Method for welding steel tubes with corrosion-resistant coating RU2155655C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU98117295A RU2155655C2 (en) 1998-09-09 1998-09-09 Method for welding steel tubes with corrosion-resistant coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU98117295A RU2155655C2 (en) 1998-09-09 1998-09-09 Method for welding steel tubes with corrosion-resistant coating

Publications (2)

Publication Number Publication Date
RU98117295A true RU98117295A (en) 2000-06-20
RU2155655C2 RU2155655C2 (en) 2000-09-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU98117295A RU2155655C2 (en) 1998-09-09 1998-09-09 Method for welding steel tubes with corrosion-resistant coating

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RU (1) RU2155655C2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007118939A1 (en) 2006-04-19 2007-10-25 Arcelor France Method of producing a welded part having very high mechanical properties from a rolled and coated sheet
GB0921078D0 (en) 2009-12-01 2010-01-13 Saipem Spa Pipeline welding method and apparatus
WO2013014481A1 (en) 2011-07-26 2013-01-31 Arcelormittal Investigación Y Desarrollo Sl Hot-formed previously welded steel part with very high mechanical resistance, and production method
CA2892721C (en) 2012-11-29 2017-03-14 Jfe Steel Corporation Circumferential welded joint of line pipe, method of forming circumferential welded joint of line pipe, and line pipe
RU2521920C1 (en) * 2013-01-31 2014-07-10 Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") Method to weld pipelines without preliminary heating of joints
RU2563793C1 (en) * 2014-03-20 2015-09-20 Открытое акционерное общество "Акционерная компания по транспорту нефти "Транснефть" (ОАО "АК "Транснефть") Control over welding of pipelines from high-strength pipes with controlled heat input
WO2015147684A1 (en) 2014-03-28 2015-10-01 Открытое акционерное общество "Акционерная компания по транспорту нефти "ТРАНСНЕФТЬ" Method for welding pipelines from high-strength pipes with controllable heat input
WO2017109544A1 (en) * 2015-12-22 2017-06-29 Arcelormittal Method for preparing a pre-coated metal sheet, with removal of the coating by means of an inclined laser beam, and corresponding metal sheet
RU2688350C1 (en) * 2018-04-28 2019-05-21 Публичное акционерное общество "Челябинский трубопрокатный завод" (ПАО "ЧТПЗ") Method of hybrid laser-arc welding with steel clad pipes deposition
RU2759272C1 (en) * 2021-01-14 2021-11-11 Акционерное общество "Атомэнергоремонт" Method for inderect welding of dn 800 pipe of multiple forced circulation loop of power units with rbmk-1000 reactor plant

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