本文结合近年来所进行的研究工作,简要综述了钢的组织遗传现象。指出原始组织、加热速度、加热方法等对组织遗传现象的影响,并试图解释其产生原因。断口遗传现象说明,在一定加热条件下,显微织组中晶粒大小和断口粗细不相符合,其原因是碳化铬在原始晶界上的富聚。在奥氏体单相区内,由于相硬化,存在奥氏体自发再结晶现象。 In this paper, the research carried out in recent years, a brief overview of the organization of steel genetic phenomenon. The influence of the original organization, heating rate, heating method and so on on the genetic phenomenon of the tissue was pointed out, and the reasons for the occurrence were pointed out. The genetic phenomenon of fracture shows that under certain heating conditions, the grain size and the fracture size in the microstructure are not consistent, because of the enrichment of chromium carbide on the original grain boundary. In the austenite single phase region, there is the phenomenon of spontaneous recrystallization of austenite due to phase hardening.