First, the dynamic CCT curves of two kinds of steel(with and without Cr) were determined by a Formastor-F dilatometer, and the potential impact of Cr on continuous annealing process was analyzed;

• 首先利用Formastor-F型膨胀仪测定了含Cr和不含Cr两种低碳钢的连续冷却转变(CCT)曲线,分析指出了Cr对连续退火工艺的潜在影响;