virgin steel的意思|示意

Strain-hardening are mainly determined by strength, elongation and strength yield ratio of virgin steel, among which the strength yield ratio is the most important influence factor.

板材冷作硬化效应主要取决于母材的强度、伸长率和强屈比，其中强屈比对型钢的冷作硬化效应影响最大；

By using reliability design methods, minimal reliability of virgin static strength of steel thin wall cylinder during pressure test is quantitative analyzed.

应用可靠性设计方法，对压力试验时钢制薄壁内压圆筒形容器初始静强度的最小可靠度进行了定量分析。