The Effect of Niobium and Vanadium on the Toughness of High Strength Alloyed Line Pipe Steel Used in Gas & Oil Pipeline. مجلة الهندسة والتنمية المستدامة, [S. l.], v. 14, n. 2, p. 1–16, 2010. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1453.. Acesso em: 18 2024.