A36 H - shaped steel, also known as wide - flange beams, comes in a diverse range of sizes to accommodate various engineering requirements. The height of A36 H - shaped steel can range from relatively small dimensions, such as 100 mm, up to large sizes exceeding 1000 mm. For example, the W4×13 (a common North American designation, similar in concept) has a nominal height of approximately 102 mm, while the W40×397 has a height close to 1016 mm.
The flange width also varies significantly, usually from around 50 mm to over 400 mm. Thicknesses of the web and flanges can range from a few millimeters to more than 25 mm. Smaller - sized A36 H - shaped steel is often employed in light - duty construction projects or for secondary structural members, where the load - bearing demands are not extremely high. Larger sizes, with greater height, flange width, and thickness, are designed for heavy - duty applications, such as the main structural frames of large - scale commercial buildings, bridges, and industrial facilities, where they need to bear substantial vertical and horizontal loads. These standardized size ranges enable engineers to select the most appropriate A36 H - shaped steel based on the specific load - bearing and spatial requirements of a project.