M. Faizabadi, G. Khalaj, H. Pouraliakbar, and M. Jandaghi, “Predictions of hardness and impact toughness using chemical composition and tensile characteristics measurements in microalloyed API X70 pipeline steels”, J Min & Metal B Metallurgy, vol. 51, no. 2, pp. 173–178, Nov. 2015, Accessed: Jul. 12, 2026. [Online]. Available: https://asistent.ceon.rs/index.php/jmm/article/view/6143