TECHNOLOGIES
Profiles containing a hole with a triangular cross-section and their application in welding technology
Pipe products with a triangular cross-section of the hole have been manufactured. These products have found effective application in welding equipment for the manufacture of contact current-carrying nozzles, guide tips, etc., used in welding in a protective gas environment and in submerged arc welding. In addition, the qualities of the nozzles have been studied in laboratory and production conditions on the basis of manufactured pilot batches. The conducted studies of the quality characteristics of the new class of nozzles showed that those with a triangular cross-section of the hole guarantee increased quality of the welding process and the weld seam, as their service life is 30%÷60% longer compared to the durability of conventional nozzles with a round hole.