Stainless steel is the most versatile and widely used material in the industries.It is used in each and every aspects of life like infrastructure development, defense,heavy machinery industries, automobile etc.Industries use conventional welding processes to weld stainless steel. The basic problems that are associated with those conventional welding processes like GMAW, GTAW and arc welding of stainless steel are hydrogen embrittlement, distortion and non ecofriendly nature.Friction stir welding(FSW) being a solid state welding process is free from most of defects usually produced in...