摘要
介绍了GCr15Mo钢的选材试验并给出了实验结果。试验结果表明，使用寿命提高2—3倍，有显著经济效益。
In this paper, the experiment of selecting GCr15Mo steel is introducedand the results of the experiment are also given, which showed that the workinglife of the die can increase 200% to 300%. It has great economic efficiency.
出处
《模具技术》
1998年第4期56-61,共6页
Die and Mould Technology
关键词
冲模
复合强化热处理
轴承钢
冲压
GCr15Mo steel
cold punching dies
combined strengthening heattreatment
