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Stainless steel is afraid of acid affecting polishing performance factors

times:2022-04-21 11:04:13read:

In practical applications, steel that is resistant to weak corrosive media is often called 304 stainless steel, while steel that is resistant to chemical media is called acid-resistant steel. Due to the difference in chemical composition, the former may not be able to resist the corrosion of chemical media, while the latter generally, it does not rust.
The corrosion resistance of stainless steel depends on the alloying elements contained in the steel. Most of the use requirements are to maintain the original appearance of the building for a long time. When determining the type of stainless steel to choose, the main consideration is the required aesthetic standards. The corrosion resistance of the atmosphere where the stainless steel plate is located and the cleaning system to be used.
However, there are a growing number of other applications looking only for structural integrity or impermeability, for example, roofs and sidewalls of industrial buildings, where construction costs for the owner may be more important than aesthetics, and the surface may not be very Clean 304 stainless steel plate, 304 stainless steel is very effective in dry indoor environments.
Factors affecting the polishing performance of stainless steel plates:
Weldability: Different product uses have different requirements for welding performance. A class of tableware generally does not require welding performance, even including some pot enterprises, 201 stainless steel plates, but most products require good welding performance of raw materials. Like second-class tableware, thermos cups, steel pipes, water heaters, water dispensers, etc.
Corrosion resistance: The vast majority of stainless steel products require good corrosion resistance, such as Class I and Class II tableware, kitchen utensils, water heaters, water dispensers, etc. Some foreign merchants also do corrosion resistance tests on the products: add NACL aqueous solution Warm to boiling, pour out the solution after a period of time, wash and dry, and weigh the weight loss to determine the degree of corrosion (Note: When the product is polished, the Fe content in the abrasive cloth or sandpaper will cause rust spots on the surface during the test) .
 

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