淬火工艺及Nb元素对30MnB5钢原奥氏体晶粒度的影响

杨志荣, 闫德胜, 杨怀君

Effects of quenching process and Nb addition on prior austenite grain size of 30MnB5 steel

Yang Zhirong, Yan Desheng, Yang Huaijun

金属热处理 . 2020, (12): 218 -221 . DOI: 10.13251/j.issn.0254-6051.2020.12.042