Can stainless steel outdoor sculptures withstand acid rain without degrading?

Stainless steel outdoor sculptures are renowned for their durability and resistance to harsh weather conditions, including acid rain. The alloy's chromium content forms a passive oxide layer that protects against corrosion, making it highly resilient to environmental damage. However, prolonged exposure to acid rain may cause surface discoloration or minor pitting over time, especially in lower-grade stainless steel. Regular cleaning and maintenance can mitigate these effects, preserving the sculpture's appearance. High-quality stainless steel (e.g., 316 grade) offers superior acid rain resistance, making it ideal for outdoor art in polluted or coastal areas. Proper installation and occasional protective coatings further enhance longevity, ensuring these sculptures remain visually striking for decades.