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The article presents the initial data for calculation of stress-strain state of a three-layer bimetallic strip. The regularities of distribution of axial and tangent stresses in the zone of cyclic deformation are considered. The main loads acting on the mold strikers are described for the unit of combined continuous casting and deformation at production of steel three-layer bimetallic strips. The authors describe the method for determining total stresses in the installation strikers from the efforts of compression and temperature loads. Also temperature boundary conditions for determining the temperature fields are considered. The procedure for determining temperature fields and thermoelastic stresses in the strikers is shown using the ANSYS package. The calculation results of temperature fields and thermoelastic stresses were made in five sections of the striker and are given for characteristic lines. The nature of temperature distribution over the thickness of the striker is shown when it is cooled with water at idling and in contact with a bimetallic ingot during its compression. For the calculated temperature fields, the authors have determined the axial and equivalent stresses occurring in the strikers without channels when the ingot is compressed and cooled with water during idling. The magnitudes and patterns of distribution of total axial stresses from the compression and thermal loads are also given along the thickness of the contact layer, along the height and thickness of the strikers. © 2020 National University of Science and Technology MISIS. All rights reserved.