Light and heavy steel structure is composed of high-performance structural steel, cold-formed thin-walled steel, thin-walled steel, thin-walled steel pipe and other effective functional materials, a light-weight, fully fabricated steel structure designed to meet the specific functional and spatial requirements of a building
There are mainly three types of light and heavy steel structure: light-duty Portal Steel frame House steel structure, cold-formed thin-walled steel structure, steel pipe structure. Originally the light steel structure is mainly used for the construction of small load and small span. Since the 1980s, it has been widely used in warehouses, offices, industrial plants, sports facilities and so on.