Varying laws of the maximum values of the first principal stress and the stress concentration factors within the scope of elasticity are obtained. Relevant formulas involved in the ASME norm are verified.

• 从中了解到了最大第一主应力的变化规律 ,得出在弹性范围内的应力集中系数 ,并且得到ASME规范中的算式较好的验证