Figure 14: Analysis of the relative electrical conductivity of the final weld beads: a) Eddy currents NDT equipment with dedicated probe for measurement of electrical conductivity; b) Conductivity in base material (63.68 % IACS); c) Conductivity at face surface in middle of weld bead (61.93 % IACS); d) Conductivity at root surface in middle of weld bead (61.29 % IACS).