一、前言沸腾钢具有表面质量好,收得率高的优点。但是钢锭内部成份偏析大,轧成钢材后机械性能相差悬殊,这是它的缺点。为了确保钢材质量,满足用户需要,不得不采取增加切头率,将钢锭头段改轧,甚至用镇静钢代替交货等,但这些办法都是不经济 First, the preface Boiling steel has good surface quality, high yield advantages. However, the segregation of large internal components of steel, rolled into steel after the great difference between the mechanical properties, which is its shortcomings. In order to ensure the quality of steel to meet the needs of users, have to increase the rate of cut, the first section of the ingot change rolling, and even replaced with dead steel delivery, etc., but these methods are not economical