The special metallographic structure and surface passivation film of stainless steel make it difficult to be corroded due to chemical reaction with the medium under normal circumstances, but it is not impossible to be corroded under any conditions.
In the presence of corrosive media and incentives (such as scratch, splash, cutting slag, etc.), stainless steel can also be corroded by slow chemical and electrochemical reactions with the corrosive media.And under certain conditions the corrosion speed is quite fast and produces corrosion phenomenon, especially pitting corrosion and crevice corrosion.The corrosion mechanism of stainless steel is mainly electrochemical corrosion.
Therefore, all effective measures should be taken in the process of stainless steel processing to avoid the occurrence of corrosion conditions and incentives.In fact, many corrosion conditions and inducements (such as scratches, spatter, slag cutting, etc.) have the most significant adverse effect on the appearance of the product, which should and must be overcome.
Key words:Stainless steel decorative plate
Post time: Mar-09-2019