FIELD: manufacture of silicate materials intended for protection of materials from gas corrosion, preparation of high-grade stampings subjected to thermomechanical and hot pressure treatment. SUBSTANCE: technological coating comprises, wt %: SiO2 28- 50; Al2O3, 5-15; BaO, 3-12; CaO, 1-6; MgO, 1-4; B2O3, 14-45; Na2O, 1-6; K2O, 1-4; 2CaO•SiO2, 0.1-0.5; 3CaO•Al2O3, 0.1-0.5. EFFECT: stable wetting of surfaces of metallic semifinished products and improved protective and lubricating properties. 2 tbl
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Authors
Dates
2000-06-20—Published
1999-01-18—Filed