Short answer: sometimes, but it’s not automatic. Many urban trash cans sold for municipal use do come with a limited warranty, and some of those warranties specifically cover rust-through or corrosion caused by defective materials or workmanship. However, that is very different from a blanket promise that the can will never rust. Most manufacturers exclude normal wear, scratches, chips in the coating, standing water, salt exposure, vandalism, improper cleaning, and damage from harsh chemicals.
If a city is buying cans, the real warranty terms are usually in the specification or purchase contract, not just on the product page. Powder-coated steel, galvanized steel, and stainless steel options each have different corrosion performance, and the warranty often depends on the coating system and expected environment.
My advice is to ask for the written warranty, confirm what counts as rust coverage, how long it lasts, who pays shipping for replacement, and what maintenance is required. If rust protection matters, choose a can with a proven coating, drainage, and a clear warranty—not just a vague “rust-resistant” label.