The present research has been done to study the effect of different independent input process parameters on the desired responses in the submerged arc welding process. Half factorial technique has been used for the design of experiments. The effects of welding current, open circuit, welding speed and nozzle to plate distance have been found on the reinforcement, bead width,  depth of penetration and width of penetration on 12mm mild steel plates. The effect of all the input parameters on the output responses have been analyzed using the analysis of variance (ANOVA) and mathematical modeling. The developed models could be used for the prediction of important weld bread geometry and control of the weld bead quality by selecting appropriate process parameters.