The strain of the proeutectoid ferrite in hypoeutectoid steel drawing was measured and analyzed by quantitative metallography.

采用定金相法分析计算析钢拉拔形先析铁素体。

The feasibility of inner crack intercritieal heat treatmemt in hypoeutectoid steel was analysed in detail by metallurgical principle.

利用金属学原理,分析析钢内裂纹温愈合处理的可行性。