Welding practice jig that can be used by connecting a variety of piping configuration, the rod body consisting of a plurality of pipe-shaped unit support rods connected in a row; A length adjusting member which is installed between the unit support bars; It is coupled to the rod, consisting of a rotating portion and a fixed portion, the pipe connecting member for adjusting the coupling angle of the piping configuration while coupling the piping configuration to the rod body; And an elastic fixing member coupled to the top and bottom of the bar to secure the bar to the ceiling and the floor, thereby easily performing welding exercises for various welding postures, and even in actual welding. In addition to improving the convenience of the user, and improving the efficiency of the work, it also significantly reduces the risk of safety accidents that may occur during the welding operation, and enables to perform safe welding anytime, anywhere without being constrained by time or place.
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