title: ÐÐ²ÑÐ¾Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ°Ñ ÑÐ²Ð°ÑÐºÐ° ÑÐ¸ÑÐºÑÐ»ÑÑÐ¸Ð¾Ð½Ð½ÑÑ ÑÑÑÐ±Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ð¾Ð² Ð´Ð»Ñ Ð°ÑÐ¾Ð¼Ð½ÑÑ ÑÐ»ÐµÐºÑÑÐ¾ÑÑÐ°Ð½ÑÐ¸Ð¹
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Automatic welding of circulation pipelines for nuclear power plants
Creators: name: ÐÐ°Ð»ÑÑÐµÐ², ÐÐ»ÐµÐºÑÐµÐ¹
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2021
Subjects: Ð¢ÑÑÐ±Ð¾Ð¿ÑÐ¾Ð²Ð¾Ð´Ñ
Ð¢ÐµÑ Ð½Ð¾Ð»Ð¾Ð³Ð¸Ñ
Ð¡Ð²Ð°ÑÐºÐ° Ð°Ð²ÑÐ¾Ð¼Ð°ÑÐ¸ÑÐµÑÐºÐ°Ñ
Ð¡ÑÐ°Ð»Ñ
ÐÑÐ¾Ð¼Ð½ÑÐµ ÑÐ»ÐµÐºÑÑÐ¸ÑÐµÑÐºÐ¸Ðµ ÑÑÐ°Ð½ÑÐ¸Ð¸

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description: The paper discusses the technology of assembly, welding, and control of the circulation pipeline, which is used at the Akkuyu nuclear power plant. The analysis of the admissible material was carried out, the results of material tests were pro-cessed, as well as the chemical composition. Experimental data were analyzed. Tasks of the final qualifying work: â study of technological documentation, equipment, welding methods used in the production of steel welded tube assemblies of hydraulic circulation pipelines for nuclear power plants in the conditions of JSC "Izhora Plant". â analysis of the properties of steels used to produce steel welded tube assem-blies of hydro-circulation pipelines for nuclear power plants. â analysis of the weldability of high-strength pipe steels, based on scientific and technical literature. â investigation of the properties of welded joints of pipes made of steel 10GN2MFA. For the manufacture of the circulation pipeline, steel grade 10GN2MFA was chosen as the base metal in this case. This steel has increased strength and fluidity, low cold brittleness threshold. Has a higher corrosion resistance compared to carbon steels, well welded without restrictions in a wide range of welding. Also, at low temperatures, steel has better impact toughness and high mechanical characteristics, which makes it possible to reduce the metal consumption of the structure. The test was carried out according to the condition of strength and stability - the pipe meets all the requirements. All loads acting on the pipe are considered. Automatic submerged arc welding was chosen as the main welding method. The selected equipment and consumables meet the requirements of the process.