The textbook contains basic information on the design and construction of steel beams, columns and trusses, provides new guests for rolled steel, and also addresses the use of aluminum alloys and adhesive joints in metal structures. All calculations, accompanied by numerical examples, are made in accordance with the "Norms and technical specifications for the design of steel structures" The textbook is intended for students of technical schools in the specialty "Industrial and Civil Construction" and can serve as a guide in the design of steel structures.