THIN CONTINUOUS CAST PLATE AND PROCESS FOR MANUFACTURING THE SAME

摘要

A tortoise shell pattern having a circle equivalent diameter of 5 to 200 .mu.m surrounded by a dimple having a depth in the range of from 5 to 30 .mu.m is formed on the surface of a thin continuous cast plate for the purpose of preventing the occurrence of surface cracking of the cast plate. The tortoise shell pattern is formed by conducting casting while regulating the overheating temperature, .DELTA.T, of a molten metal in a pouring basin of a movable casting mold type continuous casting machine at 15.degree.C or below.