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Application filed by Ioan Gaber, Ioan Lupu, Maria GaberfiledCriticalIoan Gaber
Priority to RO102138ApriorityCriticalpatent/RO84497B1/ro
Publication of RO84497A2publicationCriticalpatent/RO84497A2/ro
Publication of RO84497B1publicationCriticalpatent/RO84497B1/ro
Inventia se refera la o pulbere metalica pentru sudura, constituita din aschii de fonta cenusie, aschii de otel carbon, ferosiliciu, tetraborat de sodiu si soda calcinata, care în scopul obtinerii unor îmbinari rezistente la socuri mecanice si temperaturi ridicate, folosite în special, la oteluri ledeburitice are urmatoarea compozitie: 32...35% aschii din fonta cenusie, 32...35% aschii din otel carbon, 12...18% ferosiliciu, 10...16% tetraborat de sodiu si 1...2% soda calcinata, granulatia pulberii metalice fiind cuprinsa între 4 si 20 miu m.
RO102138A1980-09-111980-09-11Pulbere metalica pentru sudura
RO84497B1
(ro)
Method for coaling the charges in industrial furnaces of intermittent operation particulary for cooling steel wire or band steel coils in anneling top hat furnace