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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2022-3-200-208</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2276</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕРИАЛОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>Исследование коррозионной стойкости сварных насосно-компрессорных труб группы прочности L80 различного химического состава</article-title><trans-title-group xml:lang="en"><trans-title>Corrosion resistance of welded tubing of L80 strength group of different chemical composition</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудашов</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudashov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Викторович Кудашов, к.т.н., главный специалист поинновациям; директор</p><p>607060, Нижегородская обл., Выкса, ул. Бр. Баташевых, 45</p><p>607060, Нижегородская обл., Выксунский район, п.г.т. Шиморское, ул. Калинина, 206</p><p> </p></bio><bio xml:lang="en"><p>Dmitrii V. Kudashov, Cand. Sci. (Eng.), Chief Innovation Specialist; Director</p><p>45 Br. Batashevykh Str., Vyksa, Nizhny Novgorod Region 607060</p><p>206 Kalinina Str., Shimorskoe, Vyksa District, Nizhny Novgorod Region 607060</p></bio><email xlink:type="simple">kudashov_dv@vsw.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1378-7749</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Иоффе</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Ioffe</surname><given-names>А. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Владиславович Иоффе, д.т.н., руководитель департа-мента специального материаловедения</p><p>443001, Самара, ул. Ульяновская/Ярмарочная, 52/55</p></bio><bio xml:lang="en"><p>Andrei V. Ioffe, Dr. Sci. (Eng.), Head of the Department of Special MaterialsScience</p><p>52/55 Ul’yanovskaya/Yarmarochnaya Str., Samara 443001</p></bio><email xlink:type="simple">ioffeav@its-samara.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Науменко</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Naumenko</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Виталий Владимирович Науменко, к.т.н., начальник отдела по исследованиям и разработкам Центра исследовательских лабораторий; доцент</p><p>607060, Нижегородская обл., Выкса, ул. Бр. Баташевых, 45</p><p>607060, Нижегородская обл., Выксунский район, п.г.т. Шиморское, ул. Калинина, 206</p></bio><bio xml:lang="en"><p>Vitalii V. Naumenko, Cand. Sci. (Eng.), Head of Division of the Research and Development Department of the Center of Research Laboratories; Assist. Prof.</p><p>45 Br. Batashevykh Str., Vyksa, Nizhny Novgorod Region 607060</p><p>206 Kalinina Str., Shimorskoe, Vyksa District, Nizhny Novgorod Region 607060</p></bio><email xlink:type="simple">naumenko_vv@vsw.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8926-0110</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мунтин</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Muntin</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Вадимович Мунтин, начальник отдела ИТЦ; к.т.н., доцент кафедры «Оборудование и технологии прокатки»</p><p>607060, Нижегородская обл., Выкса, ул. Бр. Баташевых, 45</p><p>105005, Москва, ул. 2-я Бауманская, 5/1</p></bio><bio xml:lang="en"><p>Aleksandr V. Muntin, Head of the Department of the Engineering andTechnology Center; Assist. Prof. of the Chair “Rolling Equipment and Technologies”</p><p>45 Br. Batashevykh Str., Vyksa, Nizhny Novgorod Region 607060</p><p>5/1 Baumanskaya 2-ya Str., Moscow 105005</p></bio><email xlink:type="simple">muntin_av@omk.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Удод</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Udod</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кирилл Анатольевич Удод, к.т.н., главный специалист отдела по исследованиям и разработкам</p><p>607060, Нижегородская обл., Выкса, ул. Бр. Баташевых, 45</p></bio><bio xml:lang="en"><p>Kirill A. Udod, Cand. Sci. (Eng.), Chief Specialist of the Research and Development Department</p><p>45 Br. Batashevykh Str., Vyksa, Nizhny Novgorod Region 607060</p></bio><email xlink:type="simple">udod_ka@omk.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ковтунов</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovtunov</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Станислав Владимирович Ковтунов, специалист отдела поисследованиям и разработкам</p><p>607060, Нижегородская обл., Выкса, ул. Бр. Баташевых, 45</p></bio><bio xml:lang="en"><p>Stanislav V. Kovtunov, Specialist of the Research and Development Department</p><p>45 Br. Batashevykh Str., Vyksa, Nizhny Novgorod Region 607060</p></bio><email xlink:type="simple">kovtunov_sv@omk.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ОАО «Выксунский металлургический завод»; Выксунский филиал НИТУ «МИСиС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “Vyksa Metallurgical Plant”; Vyksa Branch of the National University of Science and Technology “MISIS”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ООО «ИТ-Сервис»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>LLC “IT-Servis”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>ОАО «Выксунский металлургический завод»; Московский государственный технический университет им. Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “Vyksa Metallurgical Plant”; Bauman Moscow State Technical University (Bauman MSTU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>ОАО «Выксунский металлургический завод»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “Vyksa Metallurgical Plant”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>09</day><month>04</month><year>2022</year></pub-date><volume>65</volume><issue>3</issue><fpage>200</fpage><lpage>208</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кудашов Д.В., Иоффе А.В., Науменко В.В., Мунтин А.В., Удод К.А., Ковтунов С.В., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Кудашов Д.В., Иоффе А.В., Науменко В.В., Мунтин А.В., Удод К.А., Ковтунов С.В.</copyright-holder><copyright-holder xml:lang="en">Kudashov D.V., Ioffe А.V., Naumenko V.V., Muntin A.V., Udod K.A., Kovtunov S.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://fermet.misis.ru/jour/article/view/2276">https://fermet.misis.ru/jour/article/view/2276</self-uri><abstract><p>Для производства хладостойких и стойких к сульфидному коррозионному растрескиванию под напряжением электросварных насосно-компрессорных труб (НКТ) перспективно использование низкоуглеродистых сталей с бейнитной закаливаемостью, легированных хромом, молибденом и другими карбонитридообразующими элементами. Насосно-компрессорные трубы часто эксплуатируются в CO2-содержащих коррозионно-активных средах, поэтому определение стойкости стали к этому виду коррозии является актуальной задачей. Известно, что добавка хрома в сталь повышает не только ее закаливаемость, но и стойкость к углекислотной коррозии. Влияние других легирующих элементов неочевидно. Для проведения лабораторного эксперимента разработано девять вариантов химического состава сталей для производства сварных НКТ. Проведены исследования проката опытных сталей. Выполнены сравнение результатов испытаний коррозионной стойкости исследуемых сталей, а также оценка влияния основных легирующих элементов на стойкость к СО2-коррозии. Исследованы стали с различным содержанием Cr, Mo, V, Mn, Zr на стойкость к углекислотной коррозии при разных температурах. Установлено, что химический состав стали и условия проведения испытаний определяют состав продуктов СО2-коррозии, влияют на процесс формирования и роста продуктов коррозии, и, соответственно, на коррозионную стойкость. Повышение содержания хрома в стали в диапазоне 0 – 1 % приводит к снижению скорости коррозии. Уменьшение скорости коррозии легированных хромом сталей можно связать с защитными свойствами формирующихся при испытании продуктов коррозии. Проведенные лабораторные испытания на стойкость к СО2-коррозии при повышенной температуре 65 °С и последующие исследования сформировавшихся продуктов коррозии выявили положительное влияние хрома и молибдена на скорость общей коррозии по механизму образования плотных продуктов коррозии, выполняющих защитную функцию.</p></abstract><trans-abstract xml:lang="en"><p>In previous publications, it was shown that the use of low-carbon steels with bainite hardenability alloyed with chromium, molybdenum and other carbonitride-forming elements is promising for the production of cold-resistant and SCC (sulfide stress corrosion cracking)-resistant electricwelded tubing (tubing). Tubing is often operated in CO2-containing corrosive environments, therefore, determining the steel resistance to this type of corrosion is an urgent task. It is known that the addition of chromium to steel increases not only its hardenability, but also its resistance to CO2 corrosion. Influence of other alloying elements is not obvious. For the laboratory experiment, nine variants of the chemical composition of steels for the production of welded tubing were developed. The rolled test steels were investigated. Results of the studies of corrosion resistance of these steels are shown and compared. The authors made an assessment of influence of the main alloying elements on resistance to CO2 corrosion. The steels with different contents of Cr, Mo, V, Mn, Zr were studied for resistance CO2 corrosion at different temperatures. It has been established that the steel chemical composition and the test conditions determine the composition of CO2 corrosion products, affect the process of formation and growth of corrosion products, thereby affecting corrosion resistance. Decrease in the corrosion rate of chromium-alloyed steels can be associated with the protective properties of the corrosion products formed during testing. Laboratory corrosion tests for resistance to CO2 corrosion at an elevated temperature of 65 °C and subsequent studies of the formed corrosion products revealed a positive effect of chromium and molybdenum on the rate of general corrosion by mechanism of formation of dense corrosion products that perform a protective function.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>насосно-компрессорные трубы</kwd><kwd>НКТ</kwd><kwd>сварные трубы</kwd><kwd>CO2 коррозия</kwd><kwd>локальная коррозия</kwd><kwd>продукты коррозии</kwd><kwd>коррозионная стойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>tubing</kwd><kwd>welded pipes</kwd><kwd>CO2 corrosion</kwd><kwd>localized corrosion</kwd><kwd>corrosion products</kwd><kwd>corrosion resistance</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Маркин А.Н., Подкопай А.Ю., Низамов Р.Э. 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