“…For instance, Segle et al [1] investigated the life assessment of L-Seam welds based on creep tests with cross weld specimens: further, authors studied the influence of variations in creep properties between the weldment constituents and the size effect of the cross-weld specimen. Maksimovich et al [2] studied the effect of position of heat sources in relation to the weld joint on magnitude of thermal stresses in the weld zone. Also, determined optimum heating zones and distribution of heat sources for strengthening of L-Seam weld joints in cylindrical shells.…”