That's a great and very practical question! As someone who has dealt with maintaining public spaces, I can give you a real-world perspective. The short answer is: yes, stainless steel public waste bins are generally designed to be relatively easy to clean, but "easy" depends on the specific design and what's been thrown inside.
The smooth, non-porous surface of stainless steel is its biggest advantage. Unlike porous materials, it doesn't absorb liquids or odors. For routine cleaning, a simple wipe-down with a warm, soapy solution or a common disinfectant spray and a cloth is often sufficient for the interior. Many modern bins also have removable inner liners or bags, which make disposing of the main waste and giving the shell a quick rinse a breeze.
However, the challenge comes with neglect. If liquids like coffee or sticky soda sit for a long time, they can dry and require a bit more scrubbing. For tougher grime or dried-on spills, a paste of baking soda and water or a dedicated stainless steel cleaner works wonders without scratching. It's important to avoid abrasive steel wool or harsh chlorine bleach, which can damage the protective layer of the steel.
Overall, while no one loves cleaning trash bins, stainless steel makes the task as straightforward as possible. Its durability and resistance to stains mean that with consistent, basic maintenance—perhaps a thorough clean once a week—the inside can stay hygienic and look presentable for years. The key is regular care rather than dealing with a major buildup.