On the basis of the production process of controlled cooling and controlled rolling, a prediction model of recrystallized grain size of austenite was established.

• 摘要基于钢板的控轧控冷生产过程，建立了奥氏体再结晶过程中晶粒尺寸的预测模型，该模型的计算结果与实测值基本相符，这为随后的相变行为提供了较准确的初始条件。