大弧形半径圆坯连铸机新增板坯装备及工艺特点

介绍东北特殊钢股份有限公司炼钢厂在16.5 m弧形半径圆坯连铸机增加200 mm×(500~850)mm板坯断面的装备情况以及产品质量特点。对于厚度为200 mm的板坯断面而言,铸机半径R是厚度H的82.425倍,远超出常规板坯半径是厚度的40~50倍设计理念,致使连铸坯具有高密度的质量特点。板坯断面生产的Q195系列品种终端产品,远销国内外市场;DL166、718H系列不锈钢代替模铸开坯材,大幅度降低锻造成本。

New slab equipment and process characteristics of slab continuous casting with large arc radius

The equipment and product quality characteristics of increasing 200 mm×（500-850） mm slab section on 16.5 m ARC radius round billet caster in the steelmaking plant of Northeast Special Steel Co. Ltd. were introduced. For slab sections with a thickness of 200 mm, the radius R of new section is 82.425 times of the thickness H, which is far more than the 40-50 times of the thickness of the conventional slab, resulting in high density quality characteristics of the continuous casting slab. The Q195 series products produced by slab section are exported to the domestic and foreign markets. DL166 and 718H series stainless steels are used to replace the die casting blanks, thus greatly reducing the cost.