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In recent days, light materials like aluminum alloys are becoming more prominent in real world.In this paper, the parametric design of aluminum alloy (AL 65032) is carried out for the optimum mechanical properties (UTS, 0.2% proof stress, percentage elongation) using Taguchi techniques. This paper considered only for weld conditions. Hence the parametric design is carried out for TIG welding with as weld condition and with control parameters gas pressure, current, groove angle and preheat. Three levels are considered for the control parameters based on the preliminary tests and analysis is carried out with L-9 orthogonal array.