FIELD: welding. SUBSTANCE: nozzles are protected by their dipping into special composition. Said composition comprises, %: marshalite, 20-25; dextrin, 10-13; trisodium phosphate, 2-3; potassium chromate, 0.5-3; and water. Welding may be carried out immediately after said dipping. EFFECT: increased operation life of nozzles. 1 tbl
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