Stainless steel flange has excellent performance. Flanges are also called flanges or flanges. Components for connecting pipes, pipes and valves. There is a gap between the flanges, so the two flanges need to be tightly connected with bolts, and also need to be sealed with a sealing ring to avoid leakage. Stainless steel flange is a kind of flange. Because this flange is made of stainless steel, it has excellent performance and wide application range.
Stainless steel metal building materials are one of the strongest materials. Because stainless steel has good corrosion resistance and can maintain the integrity of the design. Therefore, stainless steel flanges also have mechanical strength and high ductility, and are easy to process and manufacture. Meet the structural development requirements of architects and designers. Almost all metals will react with oxygen in the air, forming an oxide film on the surface of the metal, ordinary steel can also form an oxide film, but the main component is iron trioxide, its characteristics are very loose, so it is very porous rust, the surface will form an oxide film. An oxide film is formed on the surface. However, this is not the case with stainless steel flanges. The surface of stainless steel flange often forms a dense oxide film, which effectively prevents stainless steel rust.
Stainless steel flanges are commonly used in steel structures with good metal properties and strong corrosion resistance. Stainless steel flanges also known as stainless steel acid resistant flanges have a smooth metal surface that is not easy to be oxidized by air. It is often used to control high pressure pipelines and corrosion resistant pressure pipelines. The stainless steel flanges have very excellent performance between them.
As a metal material, it will react with air in a humid environment, thus changing the original metal properties. However, stainless steel flanges can be passivated by oxidants and form a hard and dense chromium-rich oxide protective film Cr2O3. Stainless steel flanges can effectively prevent further oxidation reactions on the surface. However, the passivation treatment capacity of other industrial metal pipes (such as galvanized pipes and copper pipes) has little impact, which is the main reason why the corrosion resistance of galvanized pipes is much lower than that of stainless steel pipes.
Corrosion resistance. The corrosion resistance of stainless steel flanges indicates that stainless steel flanges do not have uniform corrosion like carbon steel. No protective coating is required for use. Stainless steel flange Water pipe with stainless steel flange. It is because of this that the flange has no time limit on the chemical composition of the water during the process management of use. Stainless steel has good oxidation resistance, temperature, pH and hardness in all kinds of water. Stainless steel pipes can withstand high flow rates by themselves. Even if the flow rate exceeds 40 meters per second, the corrosion rate is still very low, not more than 0.003 mm/year, which is particularly suitable for the water supply of tall buildings.
The thermal expansion coefficient of stainless steel flanged pipe is the same as that of copper pipe. It is 1.5 times that of ordinary steel pipe. Compared with copper pipe, stainless steel flanged pipe fittings have different characteristics of slow thermal expansion and cold shrinkage. In addition, stainless steel flanges are usually necessary, which will form a protective film on their surface, while other metals cannot.
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