Electric welding in the aqueous medium was wet, developed in the E. O. Paton Electric Welding Institute, produced by automatic or semi-automatic equipment of the new type gets an increasing distribution when performing welding, surfacing, repair of ships, port equipment, and oil and gas pipelines. There is experience in conducting work at depths of more than 200 m. For this process, special electrode powder type electrode wires are worked out, which provide high-quality welding in all spatial positions. Semi-automatic and automatic welding machines are constantly improving. Currently, one of the main ways to improve the efficiency of equipment and the welding process is the use of pulsed supply of electrode wire with controlled motion parameters. The pulse feed is wicked by welded compound parameters, weld quality, the possibility of obtaining a qualitative result in the positions of different from the bottom and much more. An important result of the use of a pulsed feed is to obtain increased strength of the welded joint. The results of welding and surfacing in the aqueous medium are wettable depending on the parameters of the pulses (frequency, amplitude, form).