In order to improve the corrosion resistance and decoration of stainless steel flanges, it is necessary to polish them. There are several methods for this, namely chemical polishing and electrochemical polishing. Let’s follow the editor of Best Eccentric Reducer Manufacturers china to have a simple understanding!
The chemical polishing of stainless steel flanges means that the flanges will dissolve in a regular manner to achieve a smooth effect. In the chemical polishing process, the stainless steel flange always constitutes a passive oxide film and the oxide film has been dissolved, and the former is stronger than the latter. Due to the nominal micro-inconsistency of the large stainless steel flange, the nominal micro-protruding part is preferentially dissolved, and the dissolution rate is greater than that of the concave part; the dissolution of the film and the film composition always proceed simultaneously, but the rate is different. The nominal roughness of the stainless steel flange can be leveled to obtain a smooth and bright name. Polishing can fill nominal holes, scratches and other nominal defects, thereby improving fatigue resistance and corrosion resistance.

Electrochemical polishing is also called electrolytic polishing. Electrolytic polishing uses a large stainless steel flange as the anode and insoluble metal as the cathode. The two electrodes are immersed in the electrolytic cell at the same time, and the anode is selectively dissolved by direct current, thereby making the anode larger. The nominal brightness of the stainless steel flange increases and reaches the mirror surface. Environmentally friendly electropolishing liquid formulas 1 and 2 do not require chromic anhydride, and the amount of phosphoric acid is very small. This formula can reduce infectious emissions.
In summary, the editor of Best Eccentric Reducer Manufacturers china tells: About the polishing method of stainless steel flange, I hope you can learn more.