METHOD FOR PRODUCING STEEL

摘要

Disclosed is a steel manufacturing method. The steel manufacturing method comprises: a step of tapping molten steel generated in an electric furnace; a step of refining the molten steel in a vacuum; a step of placing aluminum into the molten steel after vacuum refining; and a step of casting the molten steel. According to the present invention, the steel manufacturing method reduces a rate of defect of a final product by securing a purification of steel.