FIELD: methods of formation of rough glass-coatings on casing pipes. SUBSTANCE: method consists in application of a layer of enamel coating to pipe; coating firing; application of sand to enameled pipe with simultaneous rotation of pipe round its longitudinal axis and temperature of enamel coating exceeding the temperature of beginning of its melting. EFFECT: possibility of formation of rough glass-enamel coatings on casing pipes. 4 cl, 1 tbl
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