本文针对尾翼弹研制过程中时而发生的铸钢尾翼变形和划伤炮管问题,提出了采用不同热处理工艺使铸钢尾翼获得不同机械强度的方法。在某穿甲弹研制实践中获得了解决上述问题的满意效果。本文还从铸钢金相组织结构的变化上分析了改变热处理工艺对铸钢尾翼强度的影响机理。提出了采用该方法解决上述问题的一些基本原则。 In this paper, aiming at the deformation and scratched barrel of the cast steel spallation which sometimes occurs during the development of the tail bullet, a method of using different heat treatment technology to make the steel tail have different mechanical strength is proposed. Satisfaction effect of solving the above problems has been obtained in the practice of developing a penetration armor. In this paper, the mechanism of changing the heat treatment process on the strength of the cast steel empennage is also analyzed from the change of microstructure of cast steel. Put forward some basic principles to solve the above problems by this method.