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Corrosion resistance of stainless steel

Corrosion resistance of stainless steel


The corrosion resistance of stainless steel plate mainly depends on its alloy composition (chromium, nickel, titanium, silicon, aluminum, manganese, etc.) and the internal organizational structure, plays a major role in the chromium. Chromium has high chemical stability, can form a passivation film on the steel surface, so that metal and the outside world to protect the steel from oxidation, increase the corrosion resistance of steel. After the destruction of the passive film, the corrosion resistance is reduced. Requirements can withstand a variety of acid corrosion, such as: oxalic acid, sulfuric acid - ferric sulfate, nitric acid, nitric acid - hydrofluoric acid, sulfuric acid - copper sulfate, phosphoric acid, formic acid, acetic acid.

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