ALLOY STEEL PRODUCING METHOD

ALLOY STEEL PRODUCING METHOD

FIELD: steel metallurgy, namely processes for melting converter chrome-containing alloy steel. ^ SUBSTANCE: method comprises steps of adding to steel melt ferromolybdenum and nickel after intermediate slagging off; draining metal from converter to ladle while successively adding to ladle aluminum, p...

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Hauptverfasser: SARYCHEV ALEKSANDR FEDOROVICH, SARYCHEV BORIS ALEKSANDROVICH, KEBENKO EVGENIJ VALER'EVICH, ANTIPANOV VADIM GRIGOR'EVICH, MESHCHEROV SERGEJ VIKTOROVICH, NIKOLAEV OLEG ANATOL'EVICH, CHIGASOV DMITRIJ NIKOLAEVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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creator SARYCHEV ALEKSANDR FEDOROVICH
SARYCHEV BORIS ALEKSANDROVICH
KEBENKO EVGENIJ VALER'EVICH
ANTIPANOV VADIM GRIGOR'EVICH
MESHCHEROV SERGEJ VIKTOROVICH
NIKOLAEV OLEG ANATOL'EVICH
CHIGASOV DMITRIJ NIKOLAEVICH
description FIELD: steel metallurgy, namely processes for melting converter chrome-containing alloy steel. ^ SUBSTANCE: method comprises steps of adding to steel melt ferromolybdenum and nickel after intermediate slagging off; draining metal from converter to ladle while successively adding to ladle aluminum, part of ferrochrome, ferrosilicon, silico-manganese and second part of ferrochrome; dividing charge of ferrochrome by said parts at relation (0.9 - 1.1): (0.9 - 1.1); heating ferroalloys in furnace till temperature of their upper layers no less than 700°C; providing relation of temperature of lower layers of ferroalloys to temperature of their upper layers no less than 0.25. ^ EFFECT: less loss of yield of high-quality steel, lowered expenses for producing steel. ^ 4 cl, 1 ex
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language eng ; rus
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subjects CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
title ALLOY STEEL PRODUCING METHOD
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