摘要
叙述了石油油井用，枪管，４２ＣｒＭｏ的化学成分和技术条件，确定了“枪管”的挤压工艺制度，其性能和尺寸公差均可达到石油测井的需要。
The chemical composition and technological condition of 42CrMo barrel for petroleum well are introduced The extrusion technological regulations of the barrel are determined The performance and dimensQional tolerance of the barrel can meet the need of measuring petroleum well
出处
《轧钢》
1998年第2期31-33,共3页
Steel Rolling
