结果表明： 轧制表面层的粗晶、 混晶和沿轧向的分层是引起表面微裂纹的重要原因，而氧与氮含量较高对冷弯性能有不利影响；
The microstructure was observed. The results show that the surface microcrack formation on container plate was mainly related to the gross grain and mixed grain in the surface of plate.
结合宝钢热轧厂计划编制的实际情况，考虑板坯轧制区段对轧制表面等级的约束和板坯出炉温度、精轧温度、卷取温度对计划单元的影响，建立了热轧计划编制的数学模型。
Constraints between rolling section and surface grade in a plan unit and impacts due to temperature of discharging, finishing milling and coiling are considered in the practice in hot rolling factory.
对铝板轧制油的轧制工艺润滑性能实验与退火时铝表面油渍污染的分析研究表明：基础油S2的轧制效果要明显优于国内常用的同类产品，非常适用于轧制表面质量要求高的铝板。
The result shows that the rolling effect of S2 is more obviously superior to the similar products in the country, and it is extremely adapted to aluminum sheet of high quality.
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