公开(公告)号：US4152140A

公开(公告)日：1979-05-01

申请号：US818348

申请日：1977-07-22

申请人： Sankichi Hori ,  Yasunori Owada ,  Akihiko Kusano

发明人： Sankichi Hori ,  Yasunori Owada ,  Akihiko Kusano

IPC分类号： C21C7/06 ,  C21C7/10

CPC分类号： C21C7/10 ,  C21C7/06

摘要： A method for producing a killed molten steel for continuous casting, which comprises;A step of preparing a molten steel with a blow-off carbon content not less than 0.05% in a converter,A step of pouring the molten steel to a ladle, andA step of degassing the molten steel in vacuum degassing vessel under a vacuum within a range of from 10 to 300 mmHg, with addition of at least one element selected from the group consisting of Al, Si and Mn, while stepwisely adjusting the vacuum in correspondence to the degree of decarburization of the molten steel.

摘要翻译： 一种用于连续铸造的杀死钢水的生产方法，包括： 在转炉中制备不超过0.05％的碳黑含量的硬化钢的步骤，将硬质合金浇铸成一个梯子的步骤，以及在真空中的真空脱水容器内的钢铁的脱碳步骤 从10〜300MMHg的范围，添加至少一种选自Al，Si和Mn的元素，同时根据钢水的脱碳程度逐步调整真空度。