Welding of pipes in fixed position with internal anti-corrosion protection of joints

The article reviews the weldability of clad steel used for protection of inner surface of oil-and-gas pipelines from corrosion by different welding materials. It is indicated that during welding of the root pass by stainless electrodes in one pass the transition structures appear on the interface of...

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Main Authors: Bogomazova Elena, Ziyatdinova Irina, Aiduganov Dmitriy, Pershina Anna, Anikeyev Alexey
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/01/e3sconf_corrosion2020_05005.pdf
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author Bogomazova Elena
Ziyatdinova Irina
Aiduganov Dmitriy
Pershina Anna
Anikeyev Alexey
author_facet Bogomazova Elena
Ziyatdinova Irina
Aiduganov Dmitriy
Pershina Anna
Anikeyev Alexey
author_sort Bogomazova Elena
collection DOAJ
description The article reviews the weldability of clad steel used for protection of inner surface of oil-and-gas pipelines from corrosion by different welding materials. It is indicated that during welding of the root pass by stainless electrodes in one pass the transition structures appear on the interface of two dissimelar metals. This process leads to the formaion of cracks. To reduce negative impact of the transition structures on the characteristics of welded joints it is recommended to weld the first two passes with strainless electrodes.
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publishDate 2021-01-01
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spelling doaj.art-76ac26f3598d4c0081b2b5efdba86b432022-12-21T17:13:01ZengEDP SciencesE3S Web of Conferences2267-12422021-01-012250500510.1051/e3sconf/202122505005e3sconf_corrosion2020_05005Welding of pipes in fixed position with internal anti-corrosion protection of jointsBogomazova Elena0Ziyatdinova Irina1Aiduganov Dmitriy2Pershina Anna3Anikeyev Alexey4IPC LLC, Ivan Goncharov St., BugulmaIPC LLC, Ivan Goncharov St., BugulmaIPC LLC, Ivan Goncharov St., BugulmaTomsk Polytechnic UniversityTomsk Polytechnic UniversityThe article reviews the weldability of clad steel used for protection of inner surface of oil-and-gas pipelines from corrosion by different welding materials. It is indicated that during welding of the root pass by stainless electrodes in one pass the transition structures appear on the interface of two dissimelar metals. This process leads to the formaion of cracks. To reduce negative impact of the transition structures on the characteristics of welded joints it is recommended to weld the first two passes with strainless electrodes.https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/01/e3sconf_corrosion2020_05005.pdf
spellingShingle Bogomazova Elena
Ziyatdinova Irina
Aiduganov Dmitriy
Pershina Anna
Anikeyev Alexey
Welding of pipes in fixed position with internal anti-corrosion protection of joints
E3S Web of Conferences
title Welding of pipes in fixed position with internal anti-corrosion protection of joints
title_full Welding of pipes in fixed position with internal anti-corrosion protection of joints
title_fullStr Welding of pipes in fixed position with internal anti-corrosion protection of joints
title_full_unstemmed Welding of pipes in fixed position with internal anti-corrosion protection of joints
title_short Welding of pipes in fixed position with internal anti-corrosion protection of joints
title_sort welding of pipes in fixed position with internal anti corrosion protection of joints
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2021/01/e3sconf_corrosion2020_05005.pdf
work_keys_str_mv AT bogomazovaelena weldingofpipesinfixedpositionwithinternalanticorrosionprotectionofjoints
AT ziyatdinovairina weldingofpipesinfixedpositionwithinternalanticorrosionprotectionofjoints
AT aiduganovdmitriy weldingofpipesinfixedpositionwithinternalanticorrosionprotectionofjoints
AT pershinaanna weldingofpipesinfixedpositionwithinternalanticorrosionprotectionofjoints
AT anikeyevalexey weldingofpipesinfixedpositionwithinternalanticorrosionprotectionofjoints