Microstructure and properties of a grade 10.9 bolt steel with wide tempering time window
Wang Jiaojiao, Liu Hongchun, Liu Yong, Chen Hongwei, Tian Zhiqiang, Zhang Hongqi
Heat Treatment of Metals . 2023, (9): 233 -237 .  DOI: 10.13251/j.issn.0254-6051.2023.09.039