Based on the orthogonal design of lead sample, the effect of technology parameters on the yield of heavy plate direct rolling from slab ingot has been studied by variance analysis.

• 在铅试样正交实验的基础上,采用方差分析研究了首次横、立轧时轧件工艺参数对扁锭直接轧制为厚板时成材率的影响。