Abdulredah, M.Q. and Lieth, H.M. (2026) “Investigate the Combined Effect of Various Crude Oil Sulphur Content Levels and Welding Parameters on the Mechanical Properties of API 5L X60 Steels”, Basrah Journal for Engineering Sciences, 26(1), pp. 67–78. doi:10.33971/bjes.26.1.8.