<p>This Architectural Drawing is AutoCAD 2 drawing of 80 cm x 25 cm beam details in AutoCAD, Dwg file. <strong>H-Beams</strong>. One of the strongest steel beams on the list, H-beams, is made up of horizontal elements, while the vertical beams act as the web. The flanges and web create a cross-section that mimics the shape of the letter “H” and are popular in construction or civil engineering projects. For more details and information download the drawing file.</p>