Mild steel electrodes are welding rods used for welding mild steel, which is a type of low-carbon steel. They are made of a metallic filler material that melts and mixes with the base metal during welding to form a strong, continuous bond. The filler material used in mild steel electrodes typically contains low levels of alloying elements such as manganese, silicon, and phosphorus, which provide improved mechanical properties in the welded joint.  Mild steel electrodes are commonly used in a variety of welding applications, including structural steel fabrication, repair work, and general fabrication.