The quality of the polished surface is controlled by some parameters, e.g. voltage, temperature, flow rate and polishing time. It is important to note that some solutions have a short shelf life [9]. The common problems, possible causes and the actions during electropolishing, are listed in Table 3 [15]. Although Table 3 is an instruction manual for the electropolishing machine of Lectropol-5 made by Struers Company, it works to shoot most problems during electropolishing