本发明是针对常规大尺寸高比重板材的制备过程中废料、成本高的问题，对现有制备工艺进行改善，提供一种适用于此类大型产品制备的工艺流程。而且，通过增加、改进的轧制工艺不但解决了以上的问题，而且进一步提升高比重板材的力学性能，拓宽材料使用范围。

The invention aims at the problems of waste and high cost in the preparation process of conventional large size and high specific gravity plate, improves the existing preparation process, and provides a process flow suitable for the preparation of such large products. Moreover, by adding and improving the rolling process, not only the above problems are solved, but also the mechanical properties of high specific gravity plate are further improved and the range of material use is widened.