| Summary: | Shielded metal arc welding (SMAW) is the most economical and portable and robust welding processes which utilizes the power source, electrode holder and electrode to weld metals. It is utilized successfully in welding ferrous metals. Nowadays due to increased application of non ferrous metals, the joining of the same with this welding has been on rise. The further advancement in the field of material science, the welding of ferrous and non ferrous metals has found many takers. So SMAW has been tried in welding of ferrous and non ferrous metals i.e of oxygen rich copper with chromium and nickel rich stainless steel 304. The stainless steel due to its properties like corrosion resistance, high resilience, higher toughness has been utilized in automobile, household aerospace applications. Copper has wide spread application in engineering structure, electrical components, power plant industry due to its unique mechanical, physical and chemical properties. The purpose of review is to find work done by different researchers in the area of arc welding of similar and dissimilar metals, study the findings related to research, check the feasibility to weld oxygen rich copper to chromium and nickel rich Stainless steel 304 using SMAW process and to study the, economics, sustainability of SMAW in terms of green technology and eco-social aspects and to find the suitable electrode to weld.
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