Tea Staining

Definition - What does Tea Staining mean?

Tea staining is a discoloration of stainless steel and if not treated can lead to corrosion in stainless steel structures. It receives its name from the dark red or brown discoloration it produces. Tea staining does not impact the structural integrity or longevity of the material.

Corrosionpedia explains Tea Staining

Tea staining is a common staining appearance that can be seen on stainless steel products or structures that aesthetically looks bad. It primarily occurs in those places that are exposed to moisture and sunlight, especially near coastal areas and salt water. Tea staining can be considered as a very initial stage of corrosion attack.

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