METHOD FOR CONTINUOUS-CONTINUOUS CASTING

摘要

PURPOSE: A light color main part method is provided to enable a user to determine calcium input to next pit using the elevation of a stopper and to prevent the clogging of a nozzle. CONSTITUTION: A light color main part method comprises next steps. The elevating degree of a stopper(15) of a tundish(13) is measured during continuous casting process. If the elevator of the stopper measured at is a desired value, calcium is thrown in the molten steel of the next Heat to be injected into tundish. A set value of the stopper is less than 40mm over 30mm. The calcium throws in the molten steel in a ladle(11) at end of a secondary refining process.