Mondal, Krishnendu, Anjan Kumar Adak, Santanu Das, and Bijoy Mandal. “Machinability Study on Hard AISI 4340 Steel With Carbide Cutting Tools”. Indian Science Cruiser 35, no. 6 (November 30, 2021): 16–22. Accessed May 20, 2024. http://informaticsjournals.com/index.php/ISC/article/view/37428.