Austenitizing Temperature and Quenching Media Effects on Hardness and Microstructure in Hardening of AISI 1040 Steel. Metrotech [Internet]. 21 Mei 2024 [dikutip 30 September 2026];3(2):54-9. Tersedia pada: https://ejournal.uniramalang.ac.id/metrotech/article/view/4178