2019 №10 (04) DOI of Article
2019 №10 (06)

The Paton Welding Journal 2019 #10
TPWJ, 2019, #10, 33-40 pages
Journal                    The Paton Welding Journal
Publisher                 International Association «Welding»
ISSN                      0957-798X (print)
Issue                       #10, 2019 (November)
Pages                      33-40

Electroslag welding process. Analysis of the state and tendencies of development (Review)

B.E. Paton, K.A. Yushchenko, S.M. Kozulin and I.I. Lychko
E.O. Paton Electric Welding Institute of the NAS of Ukraine 11 Kazymyr Malevych Str., 03150, Kyiv, Ukraine. E-mail: office@paton.kiev.ua

The paper presents the results of analytical review of investigations and commercial application of electroslag welding and surfacing in Ukraine, as well as foreign countries from the beginning of the XXI century. Analysis showed that the volume of application of electroslag welding of thick metal (more than 100 mm) in different branches of industry has noticeably decreased. However, stable growth of its application in the recent years has been noted in construction of bridges and high-rise buildings, ship building, as well as repair of large parts of machines on-site. The developed steels having low sensitivity to grain growth in the heat-affected zone, allowed expanding the range of products made by electroslag welding. There is a considerable increase of the volume of application of electroslag surfacing with strip electrode for anticorrosion coatings in pressure vessels, separators, steam generators, compressors and other equipment, being operated in oil and gas, power, metallurgical, paper-and-pulp and chemical industries. 51 Ref., 5 Figures.
Keywords: electroslag welding, electroslag surfacing, welding equipment, technology, wire electrode, consumable nozzle, strip electrode, specific energy input, heat input, steel, heat-affected zone, impact toughness

Received:                19.07.19
Published:               15.11.19


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