Abstract
ABSTRACT A comparative analysis of the welding-technological properties, chemical composition and mechanical properties of the weld metal of chromium-molybdenum-vanadium heat-resistant steel, performed by submerged arc welding, has been carried out. A significant increase in the productivity of welding on alternating current without deterioration of any indicators of the mechanical properties of the weld metal has been established. The prospects of using sources of welding arc of alternating current at the manufacture of equipment for nuclear reactors in the case of using agglomerated welding flux from the point of view of improving welding performance and resistance characteristics to brittle fracture of the weld metal are shown.
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