FIELD: welding engineering. SUBSTANCE: invention provides composition for cellulose electrode coatings used for "top- down" welding of pipelines and metallic structures, which contains, wt.%: cellulose, 51-57; rutile, 17-19; ferromanganese, 16-17; fired magnesite, 6-9; graphite, 1.5-2.5; potassium-sodium or sodium-potassium, or sodium lump, 1.0-3.0. EFFECT: enhanced melting capability of electrodes, reduced pore-formation tendency and consumption of electrodes on welding. 3 tbl
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Authors
Dates
2003-04-10—Published
2000-06-15—Filed