Corrosion resistance of stainless steel tanks

There are many types of stainless steel, stainless steel for the production of stainless steel is mainly SUS304 2B. But different places of water quality is not the same, so for the production of stainless steel stainless steel to distinguish the production of stainless steel. Stainless steel has good corrosion resistance, corrosion resistance of stainless steel depends on the chromium, but because the chromium is one of the components of steel, so the protection method is not the same.
When the chromium content is 10.5%, the atmospheric corrosion resistance of the steel is significantly increased, but the chromium content is higher, although the corrosion resistance can be improved, but not obvious. The reason is that when the steel is alloyed with chromium, the type of surface oxide is changed to a surface oxide similar to that formed on pure chromium metal. This tightly adhered chromium-rich oxide protects the surface from further oxidation. This oxide layer is extremely thin, through which it can see the natural gloss of the steel surface, so that stainless steel has a unique surface. Moreover, if the surface damage, the exposed steel surface and the atmosphere will be self-repair, re-formation of this "passive film", continue to play a protective role.
After the stainless steel tank is filled with water, the ions in the water react with the stainless steel. Such as chloride ions to a certain extent, then it will corrosion stainless steel tank, so the choice of stainless steel tank should be careful before. Especially in coastal areas.
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