Yudo E, Ariyanto A, Erwansyah E, Suzen ZS, Sugiyarto S, Dharta Y, Zulfitriyanto Z. Effect of Heat Treatment and Tempering Process on the Hardness of S55c Steel as A Cutting Blade Material for Plastic Shredding Machines. In. Sci. Ed. J [Internet]. 2026Jan.11 [cited 2026Jan.16];7(1):127-36. Available from: https://cahaya-ic.com/index.php/ISEJ/article/view/2461