The polishing performance factors of 304 stainless steel pipe are as follows:
① Blank surface defects. Such as scratches, pitting, pickling, etc.
②304 stainless steel pipe material problem. If the hardness is too low, it will be difficult to polish during polishing (poor BQ properties). Moreover, if the hardness is too low, orange peel deep drawing will easily appear on the surface, thus affecting the BQ properties. BQ has better hardness.
③ After deep drawing, the surface deformation area of the product will appear large black spots and wrinkles, thus affecting the BQ properties. Welding performance The welding performance requirements of stainless steel for different uses vary. Class I tableware generally does not have requirements for welding performance, and even some pot manufacturers do. But most products require raw materials with welding properties, such as two types of tableware, mugs, steel pipes, water heaters, water dispensers, etc.
After polishing, the surface of 304 stainless steel pipes will become smooth, helping to reduce dirt adhesion and corrosion. This improves the surface finish of the pipe. Polishing can make the appearance of 304 stainless steel pipes brighter and have a metallic luster, making it more suitable for use in occasions with higher appearance requirements, such as construction, furniture manufacturing, etc. The polished 304 stainless steel surface is easier to clean and less prone to dirt and impurities, thus reducing maintenance work.
The bright layer formed on the surface of polished stainless steel can improve its corrosion resistance and is more resistant to certain chemical substances. 304 stainless steel itself already has good stainless steel properties, and polishing treatment can improve its appearance and surface properties on this basis.
The polishing methods of stainless steel pipes usually include mechanical polishing, chemical polishing and electrolytic polishing. Different polishing methods and polishing degrees (one of the indicators of surface finish) can be selected according to specific needs and applications.
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