For arc surfacing with a consumable electrode, it is necessary to ensure high-quality adhesion of the deposited material and the remelted substrate without characteristic defects and violations of shaping. To minimize such defects, a comprehensive study of the features of conjugation and overlapping of the edges of neighboring beads was carried out during the formation of the deposited layer in the process of two-electrode surfacing into a common pool with the supply of an additional current-carrying filler wire. It has been established that when the step of applying the beads is less than half of their width, there is a complete lack of penetration of the substrate and the absence of adhesion of the deposited layer to it. It has been determined that with an overlay step significantly exceeding half the width of the deposited bead, lack of penetration is likely to occur on the mating line of the bead. It is shown that with successive application of beads, a gradual increase in the thickness of the deposited layer is observed due to a change in the shape of the surface during surfacing. The studies carried out make it possible to evaluate the optimal step of applying beads for a given crosssectional area of the deposited bead.