Manufacturing method for steel material

A manufacturing method for steel materials is characterized by adjusting a quantity of Ca in a range satisfying a predetermined formula and adding Ca to a molten steel. After a second refinement, a quantity of Al2O3 in the molten steel may also be analyzed, and then CaSi is added to the molten steel...

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Main Authors FURUMAI, KOHEI, ARAMAKI, NORICHIKA, MIKI, YUJI, ISHIDA, TOMOHARU, INOUE, TORU, USUI, YUKIO, MURAI, TAKESHI
Format Patent
LanguageChinese
English
Published 01.02.2015
Subjects
ALLOYS
BASIC ELECTRIC ELEMENTS
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
CHEMISTRY
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
FERROUS OR NON-FERROUS ALLOYS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METALLURGY
METALLURGY OF IRON
PERFORMING OPERATIONS
PHYSICS
POWDER METALLURGY
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TESTING
TRANSPORTING
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:A manufacturing method for steel materials is characterized by adjusting a quantity of Ca in a range satisfying a predetermined formula and adding Ca to a molten steel. After a second refinement, a quantity of Al2O3 in the molten steel may also be analyzed, and then CaSi is added to the molten steel in a ladle.
Bibliography:Application Number: TW20140123545