How does the chromium oxide layer on stainless steel chairs prevent rust formation?
Stainless steel chairs are highly resistant to rust due to the presence of a thin, invisible layer of chromium oxide on their surface. When stainless steel is exposed to oxygen, chromium in the alloy reacts with oxygen to form this protective layer, known as the passive film. This chromium oxide layer acts as a barrier, preventing moisture and corrosive agents from reaching the underlying metal. Even if the surface is scratched, the chromium oxide layer can self-repair in the presence of oxygen, maintaining its protective properties. This makes stainless steel chairs durable and ideal for both indoor and outdoor use, ensuring long-term rust prevention and corrosion resistance.
