Abstract
Abstract The production process of steam turbine steering disks requires many welded joints of high quality parameters. The article presents the test results obtained in the welding process of elements made of martensitic steel X11CrMo12-1 with a thickness of 160 mm. During the tested process, a weld was made with a welding wire filling with 1% and 9% chromium in the K geometry, a groove height of 65 mm and without full penetration. The research was carried out on a butt joint in a downward position. The joint was subjected to destructive and non-destructive tests, including macroscopic tests. This work was aimed at determining the optimal welding parameters, influencing the improvement of the properties and quality of the joint..
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