Донецький Науково-Дослідний Інститут Чорної Металургії
Донецкий научно-исследовательский институт черной металлургии
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Application filed by Донецький Науково-Дослідний Інститут Чорної Металургії, Донецкий научно-исследовательский институт черной металлургииfiledCriticalДонецький Науково-Дослідний Інститут Чорної Металургії
Priority to UA93005587ApriorityCriticalpatent/UA19524A/en
Publication of UA19524ApublicationCriticalpatent/UA19524A/en
A composition adding material for metallurgical melts treatment contains a metal casing and calcium and aluminium core. A calcium and aluminium core additionally contains the slag mixture of the composition of CaO-AI2O3-CaF in the ratio of the components 1:(0.9-1.1):(0.25-0.35) at the general ratio of calcium and aluminium core and slag mixture of 1:(0.40-0.45). The invention relates to metallurgy, in particular to the steel and cast-iron fining from sulfur and nonmetallic inclusion.
UA93005587A1993-07-161993-07-16??? ?????????composition adding material for metallurgical melts treatment
UA19524A
(en)