The tundish weir which is offered upholstery of the tundish and the ladle

摘要

PROBLEM TO BE SOLVED: To improve the durability and thermal shock resistance of a carbon-containing castable refractory.;SOLUTION: The castable refractory contains a granular pulverized material of an Al₂O₃-C-based refractory which is blended by 30-70 wt.% as an aggregate raw material, is one after being used for steel continuous casting equipment and has ≤30 mm and over 0 mm particle diameter and hollow alumina which is blended by 1-10 wt.%, contains ≥90% Al₂O₃ component and having ≤5 mm and over 0 mm particle diameter.;COPYRIGHT: (C)2005,JPO&NCIPI