The simulation indicates adopting some measurements on ingot structure and casting process can avoid macrosegregation defects and improve the utilization rate of steel ingot.

• 模拟结果表明，为保证钢锭质量，应从优化钢锭结构和铸造工艺两方面入手，达到减轻宏观偏析、提高钢锭利用率的目的。