Pickling benefits of stainless steel tubes

Pickling surface treatment of stainless steel

There are usually two methods for pickling: chemical and electrolytic. Only chemical pickling is used for corrosion protection of stainless steel pipes, which can remove oxide scale, rust and old coatings. Sometimes, this method can be used as a re treatment after sand blasting. Although chemical cleaning can make the surface reach a certain degree of cleanliness and roughness, its anchor lines are shallow and easy to pollute the environment

Rust removal by spraying (polishing) is to drive the spraying (polishing) blade to rotate at a high speed through a high-power motor, so that the steel grit, steel shot, wire segment, minerals and other abrasives can spray (polish) the surface of the steel pipe under the centrifugal force. It can not only completely remove rust, oxides and dirt, but also achieve the required uniform roughness of the stainless steel pipe under the impact and friction of the abrasive

After rust removal by spraying (polishing), not only the physical adsorption of the stainless steel pipe surface can be expanded, but also the mechanical adhesion between the anti-corrosion coating and the pipe surface can be enhanced. Therefore, spray (throwing) is an ideal rust removal method for pipeline corrosion prevention. Generally speaking, shot (sand) blasting is mainly used for inner surface treatment of pipes, and shot (sand) blasting is mainly used for outer surface treatment of pipes. Several problems should be paid attention to when using spray (throwing) to remove rust


Post time: Aug-17-2023