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What are the corrosion factors of stainless steel plate?

Views: 0     Author: Site Editor     Publish Time: 2021-09-01      Origin: Site

What are the corrosion factors of stainless steel plate?

Stainless steel plate is actually a product that is not prone to corrosion. In fact, no product can be protected from corrosion unless it is in some serious cases. If our stainless steel plate is corroded, it may affect its normal use. Therefore, we still need to take some preventive measures to avoid this situation, Let's first understand the corrosion factors of stainless steel plate?

1) Electrochemical corrosion

The scratch caused by the contact between stainless steel plate and carbon steel parts, and then form a galvanic cell with the corrosive medium, which will produce electrochemical corrosion. If the effect of pickling and passivation is not good, it will make the surface passivation film uneven or too thin, so it is easy to produce electrochemical corrosion, slag cutting, splashing and other rusty substances on the board, then form the primary cell with corrosive medium, resulting in electrochemical rot. Pickling and passivation cleaning is not clean, resulting in chemical corrosion products between the remaining pickling and passivation residue and the plate, and then electrochemical corrosion with the plate.

Stainless steel plate

2) Chemical corrosion

Under certain conditions, many oil, dust, acid, alkali and salt attached to the surface of stainless steel plate will be transformed into corrosive medium and react with some components in the plate, resulting in chemical corrosion and rust. Cleaning, pickling and passivation are not clean enough, resulting in residual liquid retention, which directly corrodes the plate. The surface of the plate is scratched, resulting in the destruction of the passive film. Therefore, the protection ability of the plate is reduced, and it is easy to react with chemical media, resulting in chemical corrosion and rust.


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