The lead quenching process should be controlled to prevent the codialyzed cement carbon. 铅淬火热处理工艺中一定要控制不出现先共析渗碳体。
The microstructure and the property of two low carbon alloy steel forged parts were compared for parts after isothermal normalizing with those after ordinary normalizing. 研究了两种合金渗碳钢锻件普通正火和等温正火的显微组织和性能。