In the steel structure system, the beam is a horizontal load-bearing component that withstands lateral loads (such as self-weight, floor load, equipment load, live load, etc.) and transmits the force to the columns or other supporting structures. It is one of the core elements that constitute the steel structure frame.

• Industrial buildings: Crane beams of the factory buildings, main beams of the workshops.

• Civil buildings: Floor beams of high-rise buildings, roof beams of large-span stadiums.

• Civil buildings: Floor beams of high-rise buildings, roof beams of large-span stadiums. Bridge engineering: The main beams of highway bridges and railway bridges.

• Special structures: crane boom, platform beams, etc.