The raw materials used for direct processing of steel structures are called main materials, and the materials consumed during the processing are called auxiliary materials.
Building steel structures are divided into high-rise steel structures, long-span steel structures, light steel and heavy steel factory steel structures. In addition, there are bridge steel structures, pressure vessel steel structures, various transmission tower steel structures, broadcast tower steel structures, rocket launcher steel structures, oil drilling platform steel structures, oil pipeline steel structures, wind power steel structures, etc., shipbuilding It is also a steel structure.
The safety level of steel structures is generally Level 2.