Steel plant rust company

As everywhere of steel, steel works has become a modern society's mainstream military construction projects. Nowadays social advantages of steel structures must have no more to say, before steel isolation materials have also been talked about. Contact: 13851058992 Wang Steel Works - Steel Works Ltd. Yancheng building today, we have to analyze, one of the drawbacks of steel structures, corrosion should be how to do it. Steel too wide range of applications involving industrial plants, the first door canopy, carport, etc. Among all industries, and even add layer steel platform, activity rooms and other projects. Use too much steel, but also makes steel works much loved. Since there are shortcomings, they certainly have preventive measures. In the steel structure, a lot of anti-corrosion measures, today we will introduce three. Method One: thermal spray aluminum (Zn) composite coating which is quite a hot-dip zinc corrosion and long-term effects of anti-corrosion methods. This is done first on the surface of steel components for sand-blasting to the surface exposed metallic luster and roughened. Then, and then the acetylene - oxygen flame will continue to send aluminum (zinc) wire melts and blowing with compressed air is attached to the surface of the steel member, to form a honeycomb of aluminum (zinc) coating layer (thickness of about 80μm ~ 100μm). Finally, fill the pores or neoprene with epoxy paint and other coatings to form a composite coating. This method can not be in the inner wall of the tubular member of the construction, which must be done at both ends of the tubular member hermetically sealed to the inner wall will not corrode. The advantage of this process is adaptable to component size, shape and size of components is almost unlimited. As large as Gezhouba locks also used this method of construction. Another advantage is the thermal effect of this process is local, constrained, and thus will not produce thermal deformation. Compared with hot-dip zinc, low level of industrialization of this method, a large blast sprayed aluminum (zinc) labor intensity, quality is susceptible to mood changes of the operator. Method Two: coating method coating method is generally not as good as a long-term corrosion corrosion method (fluorocarbon coating corrosion but even up to age 50 years). So steel for indoor or outdoor steel relatively easy to maintain more. It is a low cost, but higher costs for outdoor maintenance. The first step in the construction of the coating method is rust. The quality of the coating depends on thorough rust. So demanding coatings usually used sandblasting abrasive blasting, exposing the metal luster, remove all rust and oil. Site construction manual rust coating available. The coating is selected to consider the surrounding environment. Different coatings for different etching conditions have different tolerance. Generally there is a primer coat (layer) and top coat (layer) of the points. Primer containing powder, less base material. Film is rough, with strong adhesion to steel, combined with a good finish. Finish the base and more glossy film that can protect against atmospheric corrosion primer, and can weathering. There are a matter of compatibility between the different paint, they should pay attention to the compatibility of the time before and after the use of different paints. Construction coatings have the appropriate temperature (between 5 ~ 38 ℃) and humidity (relative humidity less than 85%). Dust coating construction environment less, component surface can not have condensation. After painting not rain within 4 hours. Coatings generally do 4 to 5 times. The total dry film thickness of outdoor works of 150μm, interior works for 125μm, tolerance to 25μm. At the beach or at sea, or in a strong corrosive atmosphere, the total dry film thickness can be thickened to 200 ~ 220μm. Method three: cathodic protection of steel surfaces in the more active metal to replace additional corrosion of steel. Commonly used in underwater or underground structures. Three methods of steel corrosion today to introduce so much. Select Steel, select Shanghai Rui Steel Company