Stainless steel must not rust? Decorative stainless steel under what conditions easy to rust?

Stainless steel does not prevent rust. Decorative stainless steel rust occurs, in addition to its own defects, due to the environment, such as the temperature of the air, the temperature of the air, the speed of the flow, the direction of the flow of air contains a lot of impurity components and the amount of The relationship between corrosion rate in atmospheric and weakly corrosive media is less than 0.01 MM/year, which is considered to be completely corroded. However, in C1-medium (such as salt) oxalic acid sulfate (used for exterior wall cleaning), hydrochloric acid porcelain cleaner (Interior decoration products) will rust, in the maintenance process should use neutral substances (such as water) to clean regularly to reduce the corrosive media adhesion and rust, in addition to avoid sharp objects (such as blade wire brush) to avoid the impact The appearance of intercrystalline structure and rust.

After the stainless steel is bent and kinked, it will easily produce spot corrosion and rust due to dislocations (that is, the internal crystal structure is damaged).

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