What does "HJ-1" mean in steel structures?
Steel structure is mainly made of steel material, and it is one of the main types of building structure.
In steel structure, HJ-1 is truss number 1.
The structure is mainly composed of steel beams and steel plates, such as steel beams, steel columns, steel trusses and so on. Each component or component is usually connected with welds, bolts or rivets. Because of its light weight and simple construction, it is widely used in large factories, stadiums, super high-rise and other fields.
