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

采用定量金相法分计算了亚钢拉铁素体应量。

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,分了亚钢内裂纹亚温愈合处理的可行性。