The Shielded Metal Arc Welding (SMAW) is a joining technique in which melting and joining of metals with the help of an arc between the workpiece and the filler rod. The core purpose of the paper is to examine the mechanical characteristics of welded metal under various standalone parameters like type of filler material, electrode diameter, and current for SMAW. This paper employed the half factorial Design of Experiment (DOE) using Taguchi L4 array. Varieties of welding filler materials used were E6013 and E7016, with an electrode diameter of 3.15mm and 4mm and the welding current of 90A and 110A. The desired output variables were tensile strength and Rockwell hardness of the welded joint. This paper found that when electrode diameter increases, the deposition rate increases, and hence HAZ increases, which decreases the weld strength. Using the welding filler E7016, we can obtain the maximum tensile strength for welded metals.
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