Abstract
The shielded metal arc welding (SMAW) is one among the most common welding processes that is generally used in the fabrication process in industries to join components, as its operation is easy. Shielded metal arc welding is a prominent process of metal fabrication which finds its best usage in shipbuilding operations, construction, and metal structure industries. This paper investigates the descriptions and findings of different researchers. Several researchers performed experiments on SMAW and investigated the effect of rate of welding heat input on the structure and properties of the materials. The heat rate is the function of welding speed, welding current, and welding voltage. The properties of the materials are affected by welding current, welding voltage, and welding speed. This review research paper includes the selected important research papers which describe the effect of current, voltage, and speed of welding on the effect of mechanical and microstructural properties. The joints produced by shielded metal arc welding process have enough strength, and when these joints are compared with any other joints, the cost is relatively low.
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