METALLURGICAL BRIQUETTE FOR SMELTING SYNTHETIC CAST IRON

METALLURGICAL BRIQUETTE FOR SMELTING SYNTHETIC CAST IRON

FIELD: ferrous metallurgy. ^ SUBSTANCE: metallurgical briquette contains 7-15% ferrosilicium fraction 0-5 mm undersized matters, 65-80% carbon-silicon mixture of electrothermal production secondary products, and 13-20% material from group of oxide systems forming hydrate-hardening cements. Invention...

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Hauptverfasser: GASIK MIKHAIL IVANOVICH, SERBIN VLADIMIR VIKTOROVICH, SEMENOV IGOR' ALEKSANDROVICH, SHCHERBAN' IGOR' MIKHAJLOVICH, PODOL'CHUK A.D, DEREVJANKO IGOR' VLADIMIROVICH, OVCHARUK ANATOLIJ NIKOLAEVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
METALLURGY OF IRON
PRETREATMENT OF RAW MATERIALS
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
PRODUCTION AND REFINING OF METALS
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:FIELD: ferrous metallurgy. ^ SUBSTANCE: metallurgical briquette contains 7-15% ferrosilicium fraction 0-5 mm undersized matters, 65-80% carbon-silicon mixture of electrothermal production secondary products, and 13-20% material from group of oxide systems forming hydrate-hardening cements. Invention thus allows creation of additives with such composition, which eliminates formation of hard spots in thin-walled castings, stabilizes hardness along the depth of castings, and raises assimilation of carbon. Invention also enables using secondary materials from graphitized carbon and ferroalloy productions in metallurgical briquette composition. ^ EFFECT: improved quality of castings. ^ 2 tbl