Study of the improvement of mechanical properties in a low carbon steel ASTM 615a grade 60 due to the formation of tempered martensite. LACCEI, [S. l.], v. 1, n. 8, 2024. DOI: 10.18687/LACCEI2023.1.1.1195. Disponível em: https://ojs-laccei.2230.com.ar/index.php/laccei/article/view/3314. Acesso em: 13 dec. 2025.