Structural steel is used for bridges because it is strong, lightweight, and durable. It also can span large distances with minimal support beams. Other than

Iron and steel are both valuable in construction, for they are hard and strong. In comparison, one of these two is harder and better to

Steel is usually a mixture of iron, carbon, and small amounts of other elements such as manganese, silicon, chromium, tungsten, and others. When these elements

We can identify different types of buildings built with steel structures, but it is rare to see homes. There are a few contrasting reasons for