求翻译：淬透性差，耐热性不好，承受动载和疲劳载荷的能力低价格低廉，多应用于工作温度不高的小型弹簧是什么意思？

Hardenability, poor heat resistance, the ability to withstand the dynamic loading and fatigue loading is low, low price, and more applied to the higher operating temperature is not high small spring <12mm or unimportant larger spring 7085 mn amount 65mn hardenability , the mechanical properties s

defini- tion and sexual difference, heat%