Which Looks Better? In most circumstances, both metal type looks very much like you compare with two identical layouts. But, aluminum will be inclined to have more screws to continue to keep bits together where-as iron will on average not have any wires because the bits are welded together. Nevertheless , the appearances are virtually indistinguishable and most people find it impossible to tell the difference. To Rust or To Rust Even though iron is also known to rust more than most other alloys, contemporary manufacturing typically applies coats of compounds resulting in galvanized iron that is rust-resistant for extended periods of time. Hence iron would take decades of fail until you began to notice rust stains. Aluminum on the other hand isn't going to rust, and won't require care…