PROCESS FOR OUT-OF-FURNACE CARBON TREATMENT OF STEEL
FIELD: ferrous metallurgy, namely out-of-furnace treatment of metallurgical melts with powdered reagents. ^ SUBSTANCE: method comprises steps of adding powdered carbon-containing materials into ladle for two stages; at first stage adding 55 - 85% of carbon at discharging melt metal till filling ladl...
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| creator | BAT' SERGEJ JUR'EVICH TISHCHENKO VLADIMIR ANDREEVICH KISILENKO VLADIMIR VASIL'EVICH PISHIKIN VADIM SERAFIMOVICH ANDRIANOV NIKOLAJ VIKTOROVICH ONISHCHUK VITALIJ PROKHOROVICH OLENCHENKO ALEKSANDR VASIL'EVICH DJUDKIN DMITRIJ ALEKSANDROVICH GUNENKOV VALENTIN JUR'EVICH TERLETSKIJ SERGEJ VALER'EVICH |
| description | FIELD: ferrous metallurgy, namely out-of-furnace treatment of metallurgical melts with powdered reagents. ^ SUBSTANCE: method comprises steps of adding powdered carbon-containing materials into ladle for two stages; at first stage adding 55 - 85% of carbon at discharging melt metal till filling ladle; at second stage introducing 15 - 45% of carbon into filled ladle in the form of powder wire in steel envelope before modifying steel. Mass rate of carbon adding to melt metal is in range 350 - 550g/s. At first stage it is possible to use carbon in the form of its alloy with silicon at relation of carbon to silicon 0.43 - 0.71. Powder wire contains next relation of ingredients, mass %: carbon-containing material, 44 - 54; steel envelope, 46 - 56. ^ EFFECT: increased degree of carbon assimilation. ^ 3 cl |
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Mass rate of carbon adding to melt metal is in range 350 - 550g/s. At first stage it is possible to use carbon in the form of its alloy with silicon at relation of carbon to silicon 0.43 - 0.71. 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Mass rate of carbon adding to melt metal is in range 350 - 550g/s. At first stage it is possible to use carbon in the form of its alloy with silicon at relation of carbon to silicon 0.43 - 0.71. Powder wire contains next relation of ingredients, mass %: carbon-containing material, 44 - 54; steel envelope, 46 - 56. ^ EFFECT: increased degree of carbon assimilation. ^ 3 cl</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY METALLURGY METALLURGY OF IRON PERFORMING OPERATIONS POWDER METALLURGY PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TRANSPORTING TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS |
| title | PROCESS FOR OUT-OF-FURNACE CARBON TREATMENT OF STEEL |
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