Hot-rolled channel steel rust will affect the service life of hot-rolled channel steel. Once the hot-rolled channel steel is rusted and not treated in time, it will cause a reduction in corrosion resistance. The more rust the more severe it will eventually lead to alkali cracking and reduce the use. Life, so once the hot-rolled channel steel is rusted, it must be cleaned in time. The following methods are provided for you to deal with the rust of the hot-rolled channel steel, so that the hot-rolled channel steel can be completely rust-free.
? Cleaning hot-rolled channel steel: Use solvents and emulsions to clean the steel surface to remove oil, grease, dust, lubricants and similar organic matter, but it cannot remove rust, scale, solder, etc. on the surface of the steel, so it is anticorrosive Used only as an aid in production.
? Hot-rolled channel steel tools for rust removal: mainly use tools such as wire brushes to polish the surface of steel, which can remove loose or raised oxide scale, rust, welding slag, etc. The rust removal of hand tools can reach Sa2 level, and the rust removal of power tools can reach Sa3 level. If the steel surface is firmly attached to the iron oxide scale, the rust removal effect of the tool is not ideal, and it cannot reach the depth of the anchor pattern required for anticorrosive construction.
? Hot-rolled channel steel pickling: Generally, chemical and electrolytic methods are used for pickling. Pipeline anticorrosion only uses chemical pickling, which can remove scale, rust, and old coatings. Sometimes it can be used as a sandblasted rust Reprocess. Although chemical cleaning can make the surface reach a certain degree of cleanliness and roughness, its anchor pattern is shallow and it is easy to cause pollution to the environment.
Hot-rolled channel steel blasting (polishing) rust removal: blasting (polishing) rusting is driven by high-power motors to rotate the blasting (polishing) blades at high speed, so that abrasives such as steel grit, steel shot, wire section, minerals, Spraying (polishing) the surface of Xinjiang steel pipes under the action of centrifugal force, not only can completely remove rust, oxides and dirt, but also the steel pipe can achieve the required uniform roughness under the action of violent impact and friction of abrasives. Prevent hot rolled channel steel
The above introduction is how to solve the rust problem of hot-rolled channel steel. I hope it can be helpful to everyone. If there is anything you do n’t understand, you can directly communicate with our customer service. We are dedicated to serve you and thank you for your help. Watch.
