与未加微量元素的试验钢相比，在硬度基本相同的情况下，无缺口冲击韧性和强度分别提高192 %和16 %，伸长率提高6 5 %。

Compared with the steel without adding trace elements, non breach impact toughness, UTS and elongation were increased by 192 %, 16 % and 65 % respectively, but hardness was not obviously changed.

youdao

与未加微量元素的试验钢相比，在硬度基本相同的情况下，无缺口冲击韧性和强度分别提高192 %和16 %，伸长率提高6 5 %。

Compared with the steel without adding trace elements, non breach impact toughness, UTS and elongation were increased by 192 %, 16 % and 65 % respectively, but hardness was not obviously changed.

youdao