Method of continuously casting austenitic stainless steel

摘要

PCT No. PCT/JP96/00281 Sec. 371 Date Sep. 16, 1996 Sec. 102(e) Date Sep. 16, 1996 PCT Filed Feb. 9, 1996 PCT Pub. No. WO96/24452 PCT Pub. Date Aug. 15, 1996This invention proposes a continuous casting method for austenitic stainless steel capable of simultaneously establishing productivity and an excellent surface quality of steel sheet. For this purpose, the invention lies in a method of continuously casting austenitic stainless steel by pouring melt of austenitic stainless steel from a tundish through an immersion nozzle into a continuously casting mold of a continuous slab caster, solidifying it in the mold and continually drawing the resulting slab of given size out from the mold, characterized in that a high-speed continuous casting is carried out so as to satisfy a relation of casting speed, superheating degree of molten steel in the tundish, sectional area of discharge port in the immersion nozzle and slab width represented by the following equation:0.30