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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">10.17073/0368-0797-2022-4-278-284</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2299</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>ИННОВАЦИИ В МЕТАЛЛУРГИЧЕСКОМ ПРОМЫШЛЕННОМ И ЛАБОРАТОРНОМ ОБОРУДОВАНИИ, ТЕХНОЛОГИЯХ И МАТЕРИАЛАХ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INNOVATIONS IN METALLURGICAL INDUSTRIAL AND LABORATORY EQUIPMENT, TECHNOLOGIES AND MATERIALS</subject></subj-group></article-categories><title-group><article-title>Исследование структурообразования при производстве листовой стали на установке непрерывного литья и деформации</article-title><trans-title-group xml:lang="en"><trans-title>Structure formation during sheet steel production in a unit of continuous casting and deformation</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>Лехов</surname><given-names>О. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Lekhov</surname><given-names>O. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Степанович Лехов, д.т.н., профессор кафедры инжиниринга и профессионального обучения в машиностроении и металлургии</p><p>Россия, 620012, Екатеринбург, ул. Машиностроителей, 11</p></bio><bio xml:lang="en"><p>Oleg S. Lekhov, Dr. Sci. (Eng.), Prof. of the Chair of Engineering and Voca­tional Training in Machinery and Metallurgy</p><p>11 Mashinostroitelei Str., Yekaterinburg 620012, Russian Federation</p></bio><email xlink:type="simple">MXLehov38@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гузанов</surname><given-names>Б. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Guzanov</surname><given-names>B. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Борис Николаевич Гузанов, д.т.н., профессор, заведующий кафед­рой инжиниринга и профессионального обучения в машинострое­нии и металлургии</p><p>Россия, 620012, Екатеринбург, ул. Машиностроителей, 11</p></bio><bio xml:lang="en"><p>Boris N. Guzanov, Dr. Sci. (Eng.), Prof., Head of the Chair of Engineering and Vocational Training in Machinery and Metallurgy</p><p>11 Mashinostroitelei Str., Yekaterinburg 620012, Russian Federation</p></bio><email xlink:type="simple">guzanov_bn@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михалев</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhalev</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Виктрович Михалев, к.т.н., генеральный директор</p><p>Россия, 623107, Свердловская обл., Первоуральск, ул. Сакко и Ванцетти, 28</p></bio><bio xml:lang="en"><p>Aleksandr V. Mikhalev, Cand. Sci. (Eng.), General Director</p><p>28 Sakko i Vantsetti Str., Pervouralsk, Sverdlovsk Region 623107, Russian Federation</p></bio><email xlink:type="simple">mialex@trubprom.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4336-5339</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Билалов</surname><given-names>Д. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Bilalov</surname><given-names>D. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дамир Харасович Билалов, доцент кафедры инжиниринга и  профессионального обучения в машиностроении и металлургии</p><p>Россия, 620012, Екатеринбург, ул. Машиностроителей, 11</p></bio><bio xml:lang="en"><p>Damir Kh. Bilalov, Assist. Prof. of the Chair of Engineering and Vocational Training in Machinery and Metallurgy</p><p>11 Mashinostroitelei Str., Yekaterinburg 620012, Russian Federation</p></bio><email xlink:type="simple">master_ddd@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российский государственный профессионально-педагогический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian State Professional Pedagogical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ОАО «Уральский трубный завод»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>JSC “Ural Pipe 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>05</day><month>05</month><year>2022</year></pub-date><volume>65</volume><issue>4</issue><fpage>278</fpage><lpage>284</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Лехов О.С., Гузанов Б.Н., Михалев А.В., Билалов Д.Х., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Лехов О.С., Гузанов Б.Н., Михалев А.В., Билалов Д.Х.</copyright-holder><copyright-holder xml:lang="en">Lekhov O.S., Guzanov B.N., Mikhalev A.V., Bilalov D.K.</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/2299">https://fermet.misis.ru/jour/article/view/2299</self-uri><abstract><p>В статье рассматривается основная проблема повышения качества стальных листов для сварных труб, описываются основные причины, снижающие качество стальных листов для сварных труб, полученных на станах толстолистовой прокатки. Существует возможность улучшения качества стальных листов, используя технологические ресурс установки совмещенного процесса непрерывного литья и деформации. Поставлена и решена задача определения напряженного состояния металла в очаге циклической деформации. В работе приводятся результаты получения листовой стали марки 09Г2С на опытно-промышленной установке непрерывного литья и деформации. Напряжения в очаге циклической деформации при получении на установке стальных листов были определены для сварных труб. Авторы представляют результаты экспериментального исследования процесса получения стальных листов на опытно-промышленной установке совмещенного процесса непрерывного литья и деформации. В статье рассматриваются результаты исследования микроструктуры, определения микротвердости и микроанализа химического состава исследуемой стали в  различных зонах поперечного сечения полученной полосы. Интерпретировано развитие структурной неоднородности в  ферритно-перлитной стали по толщине листа в условиях комбинированной термомеханической обработки металла, затвердевшего в  кристаллизаторе. В центральной светлой прослойке полосы образуется преимущественно ферритная микроструктура по сравнению с основным металлом, характеризующаяся резким снижением в ней концентрации углерода. Существует возможность возникновения подобного структурообразования на первой стадии кристаллизации в ходе ковки низкоуглеродистой стали, когда избыточная фаза высокотемпературного феррита, которая затвердевает первой, располагается в основном по центру полосы. Размер зерен перлита в светлой прослойке соизмерим с зеренной структурой перлита в основном металле полосы, и не образует выделений реечной морфологии, повышающих склонность стали к хрупким разрушениям.</p></abstract><trans-abstract xml:lang="en"><p>The paper considers the main problem of improving quality of steel sheets for welded pipes obtained at plate rolling mills and the main reasons that reduce it. There is a possibility of improving quality of steel sheets using technological capabilities of the unit of combined continuous casting and deformation. Problem of determining stress state of metal in cyclic deformation zone is posed and solved. The results of obtaining 09G2S sheet steel in pilot unit of continuous casting and deformation are presented. Magnitude of stresses in the center of cyclic deformation during production of steel sheets was determined for welded pipes at the unit. The authors present results of experimental study of the process of steel sheets production at pilot unit of continuous casting and deformation. The article considers the results of microstructure analysis, microhardness determination and microanalysis of chemical composition of the studied steel in various zones of the strip cross section. Structural inhomogeneity development in ferritic-pearlitic steel is interpreted along the thickness of sheet under conditions of combined thermomechanical processing of metal solidified in the mold. Predominantly ferritic microstructure is generated in the central light interlayer of the strip compared to base metal, characterized by a sharp decrease in carbon concentration in it. There is a possibility of such structure genesis at the first stages of crystallization during forging of low-carbon steel, when the excess phase of high-temperature ferrite that solidifies first is located mainly in the strip center. The size of pearlite grains in the light interlayer covariates with the grain structure of pearlite in the strip base metal and does not form precipitates of lath morphology, which increase tendency of steel to brittle fracture.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лист</kwd><kwd>сталь марки 09Г2С</kwd><kwd>установка</kwd><kwd>кристаллизатор</kwd><kwd>сварная труба</kwd><kwd>напряжение</kwd><kwd>микротвердость</kwd><kwd>микроанализ</kwd><kwd>микроструктура</kwd><kwd>прочность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sheet</kwd><kwd>09G2S steel</kwd><kwd>unit</kwd><kwd>mold</kwd><kwd>welded pipe</kwd><kwd>stress</kwd><kwd>microhardness</kwd><kwd>microanalysis</kwd><kwd>microstructure</kwd><kwd>strength</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">Эфрон Л.И. Металловедение в «большой» металлургии. Трубные стали. 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