What are the raw materials of steel structure?
Secondary frame, shear key (column bottom), purlin (walls, roof), daughter column (the wall) and canopy (wall), gutter (walls, roof), steel tile (walls, roof and so on).
Support: round steel, steel pipe, welded pipe, bushing, angle steel, etc..
Steel column, steel beam, column bottom plate, steel beam connecting plate, column beam connecting plate and so on, the material of these parts should be decided according to the design requirement.
In the early stage of steel structure engineering, we should pre bury and embed the steel bar, that is, the anchor bolt. The material of the anchor bolt is Q235B. There are big and small.
