Abstract
Corrosion caused by iron contamination, also known as rouging, is a possible type of corrosion of stainless steels. This type of corrosion is often confused with the corrosion of stainless steel itself. Rusty discoloration on the surface of a material considered corrosion resistant is a problem in the construction and pharmaceutical industries. Repairing rouging afterwards is usually costly, but can be prevented by good manufacturing practices and control. In our research, we compared four commonly used stainless material grades with different surface treatments. We investigated the effect of scratches left by carbon steel on the surface of the samples and the time course of the process.
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