Weld quality plays an important role as it improves material
strength, hardness and toughness of the product. Quality of a
welded product is evaluated by different parameters like weld bead
geometry, deposition rate, and hardness. These characteristics are
controlled by a number of welding parameters like welding current,
welding speed, arc voltage and electrode stickout and, therefore,
to attain good quality, is important to set up the proper welding
process parameters