Need.
Stainless steel flanges require acid pickling treatment. The main purpose of acid washing treatment is to remove oxides, oil stains, and other impurities from the surface of stainless steel flanges, thereby improving their corrosion resistance and aesthetics.
The role and necessity of acid washing treatment
Removing surface oxides: Stainless steel flanges produce a layer of oxides during production, which can affect their corrosion resistance. Acid washing can effectively remove these oxides and improve the corrosion resistance of flanges.
Removing oil stains and impurities: During the production process, oil stains and other impurities may adhere to the surface of the flange, which can affect the appearance and quality of the flange. Acid washing treatment can remove these impurities and improve the appearance and quality of the flange.
Improving surface quality: Pickling can significantly improve the smoothness and aesthetics of stainless steel surfaces, reducing surface defects and unevenness.
Steps and precautions for acid pickling treatment
Control acid washing time: Excessive acid washing time can cause surface corrosion and affect quality. Therefore, it is necessary to strictly control the pickling time.
Choosing the appropriate pickling solution: The choice of pickling solution directly affects the treatment effect, and an appropriate pickling solution should be selected to avoid damage to the flange.
Treatment after acid washing: After acid washing, it is necessary to rinse and dry to ensure that there is no residue on the surface. During transportation and storage, it is also necessary to prevent moisture and contamination.