FIELD: metallurgy.
SUBSTANCE: invention can be used for welding in a vertical position in an upward direction. Welding wire 5 used is a welding wire of a specified composition in the form of a steel skin and a flux core. Sliding copper shoe 2 is formed with a groove on its surface having a curvature, that is in contact with a groove for feeding a welding wire formed on the surface of the workpiece to be welded. Width of the groove, width and depth of the groove are within a specified range. Electro-gas arc welding is performed at a constant feed rate of welding wire 5. Speed of ascent of welding torch 4 is controlled taking into account the welding current in such a way that the protruding length of the welding wire 5 is constant.
EFFECT: invention provides effective separation of slag during welding.
7 cl, 6 dwg, 6 tbl
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