METHOD FOR ADDING CA TO MOLTEN STEEL

Ca (calcium) is added to molten steel contained in a ladle at a high addition yield by improving the composition of a Ca-containing alloy added to the molten steel.A method for adding Ca to molten steel according to the present invention includes adding Ca (calcium) to molten steel contained in a la...

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Hauptverfasser: ODAGAKI, Tomoya, ITO, Yoichi, FURUMAI, Kohei, NISHINAKA, Kazuki
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creator ODAGAKI, Tomoya
ITO, Yoichi
FURUMAI, Kohei
NISHINAKA, Kazuki
description Ca (calcium) is added to molten steel contained in a ladle at a high addition yield by improving the composition of a Ca-containing alloy added to the molten steel.A method for adding Ca to molten steel according to the present invention includes adding Ca (calcium) to molten steel contained in a ladle by the addition of a Ca-containing alloy (calcium-containing alloy) containing Ca and Mg (magnesium) such that Formula (1) below is satisfied. The Ca-containing alloy is preferably added to the molten steel contained in the ladle after the molten steel has been refined with an RH vacuum degassing apparatus. 0.3≤Mgcontentmass%/Cacontentmass%≤1.0
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language eng ; fre ; ger
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subjects ALLOYS
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
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
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title METHOD FOR ADDING CA TO MOLTEN STEEL
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