What are the common steel grades used in construction projects?

I-beam: You can also say that he is a steel beam with an I-shaped interface, which is widely quoted in building structures, bridges, vehicles, airplanes, brackets, etc.

H-beam: The construction is relatively simple, the bending resistance is relatively strong, and it has the advantages of cost-saving and lightweight.

H-beam can also be divided into different types of wide flange H-beam (HK), narrow flange H-beam (HZ) and H-beam (HU), which is considered to be a widely used steel on the market.