Published 20 September 2024
Stainless steel surface passivation film influence factors to be analysed
Our daily life to see stainless steel rust occasional situation, I am here to solemnly tell you: stainless steel is rusty. Because, in the actual use In the actual use of the process, many factors will aggravate the stainless steel surface passivation film suffered damage, so that the passive state of stainless steel into a live state, resulting in the corrosion resistance of stainless steel down Decrease, and then the phenomenon of rust. The following factors lead to the stainless steel passivation film caused by the occurrence of stainless steel rusting. Firstly , chloride ion Chloride ions are extremely harmful to stainless steel. In the passivation process should be strictly controlled in the passivation solution of chloride ion content, the use of passivation with chemical materials on chloride ions have limited requirements. There are limited requirements. Preparation of passivation solution water and cleaning water also have strict water quality requirements for chloride ions, to ensure that the passivation finished product is not stained with chloride ions, so as to avoid future problems! Secondly,Surface Cleanliness For stainless steel alloys, the lower the surface roughness, the smoother the surface, the more difficult for foreign objects to adhere to, the lower the chance...
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