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Surface corrosion

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Unprotected iron and steel parts will begin to rust very quickly. If this occurs across the entire surface at the same speed, experts refer to this as surface corrosion. In the process the material is eroded practically evenly. (fig. 1)

Surface corrosion is regarded by experts as the “nicest form” of corrosion, as it is calculable. The rate of erosion is known for many corrosion systems. The average progression of corrosion for components, and therefore their lifetime, can be estimated. An example: up to 200 µm of non-​alloyed steel is eroded annually in salty sea air, corresponding to a mass loss of 1 g steel/m² per year.

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Technical terms cannot always be avoided. As corrosion experts, we not only want to give you comprehensive advice, we are also interested in making you a corrosion expert yourself.

The variety around the topic of corrosion and corrosion protection is also in our glossary at home: explanations from A as in Adhesion to T as in Thread tolerance. Have fun clicking through!