> Q24: Why are balconies often made with aluminum alloy? > Because it's corrosion- and weather-resistant, perfect for outdoor use. For HN, you probably would

> Q24: Why are balconies often made with aluminum alloy? > Because it's corrosion- and weather-resistant, perfect for outdoor use. For HN, you probably would have better results with more technical questions. I guess only 3 or 4, but very technical, but not ultra mega technical. Is the alloy used in bicycles different from the alloy used in balcony? How is the composition different? How are the mechanical properties different? How are those related? I remember an old post about a creating an alloy of steel for knives, and one of secret parts was to add a small amount of vanadium to keep it sharp for a long time. These kind of details may create a nice post.