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从钢水成分、浇注条件、保护渣性能、工艺操作等方面分析了马钢连铸坯表面产生凹陷和纵裂的原因 ,并提出了防止该缺陷的有效措施。
The causes of sag and longitudinal crack on the surface of Masteel slab are analyzed from the aspects of the composition of molten steel, pouring conditions, the properties of mold flux and the operation of the slab. The effective measures to prevent this defect are also put forward.