Steel structure is composed of steel materials, which is one of the main types of building structure. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of section steel and steel plates, and the rust and rust prevention processes such as silane, pure manganese phosphating, water washing and drying, galvanizing and so on are adopted. The components or parts are usually connected by welding, bolts or rivets. Because of its light weight and simp
