Passivated Environment Of Stainless Steel

In general, when the oxidizing property of the environment is high, the Stainless Steel Clad Plate is liable to cause corrosion. However, when there is a certain stainless steel whose oxidizing property does not reach a certain strength, it does not cause corrosion. For example, in the case of iron to nitric acid, as the concentration of nitric acid increases, the oxidizing property increases, which in turn accelerates the progress of corrosion, but when the concentration reaches 65%, it does not corrode. This is because at this time, as a strongly oxidized nitric acid, a film is formed on the surface of the iron, and this film is a passivation film; this state is called; stainless steel passivation. In fact, whether passivation can be formed depends on environmental influences. In addition to FE, Ni, Cr and alloys, it is easy to form passivated stainless steel, such as mo, ti, Zr and the like. Because stainless steel is an alloy of iron and FE and CR and NI, its passivation film is extremely easy to form and is a more stable and strong material, so the stainless steel clad plate has superior corrosion resistance.

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