Quenching and tempering and gas nitriding processes of 30CrMoV9 steel for hydraulic piston pump
Wang Juan, Hu Ke, Zhong Xiangling, Jin Yongqian
Heat Treatment of Metals . 2021, (8): 205 -208 .  DOI: 10.13251/j.issn.0254-6051.2021.08.039