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What makes stainless steel outdoor furniture resistant to rust?
Stainless steel outdoor furniture is highly resistant to rust due to its unique composition and protective properties. The key factor is the presence of chromium, which makes up at least 10.5% of stainless steel. When exposed to oxygen, chromium forms a thin, invisible layer of chromium oxide on the surface of the steel. This layer acts as a barrier, preventing oxygen and moisture from reaching the underlying metal, thus inhibiting rust formation. Additionally, stainless steel is often alloyed with other elements like nickel and molybdenum, which further enhance its corrosion resistance and durability. Its ability to withstand harsh weather conditions, such as rain, humidity, and UV exposure, makes it an ideal choice for outdoor furniture. With proper care and maintenance, stainless steel outdoor furniture can remain rust-free and retain its aesthetic appeal for many years.
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