CONTINUOUS CASTING METHOD OF AUSTENITIC STAINLESS STEEL WITH IMPROVED SURFACE DEFECT

摘要

A continuous casting method of an austenitic stainless steel improved in surface defects is disclosed. A method of continuously casting an austenitic stainless steel comprising the step of injecting a mold powder into a mold including a molten steel of an austenitic stainless steel according to an embodiment of the present invention, The difference in star thickness is less than 10mm. Therefore, after the adjustment of the molten steel temperature by the deoxidization and refining of the austenitic stainless steel molten steel is completed, the temperature of molten steel injected into the tundish from the ladle and the jet discharged to the mold from the tundish are controlled, And the incorporation of the mold powder into the surface layer of the cast steel is optimized to reduce the occurrence of black streaks on the cast steel, thereby improving the defects on the surface of the austenitic stainless steel cast steel.