W21x55 Dimensions
The steel beam dimensions for the W21x55 section can be seen in the table. The depth of the section is 20.8 in. The width of the section is 8.22 in.
| Dimension | Value |
|---|---|
| Depth | 20.8 in |
| Top Width | 8.22 in |
| Top Thickness | 0.522 in |
| Bottom Width | 8.22 in |
| Bottom Thickness | 0.522 in |
| Web Thickness | 0.375 in |
| Fillet Radius | 0.498 in |
W21x55 Section Properties
The W21x55 section has an area of 16.2in2. The below table outlines the W21x55 section properties including the torsion constant as well as moment of inertia and plastic modulus properties.
| A | J | Iyp | Izp | Alpha | Cy | Cz | Iw | Plastic Mod Yp | Plastic Mod Xp |
|---|---|---|---|---|---|---|---|---|---|
| 16.2 in2 | 1.24 in4 | 48.4 in4 | 1140 in4 | 0 deg | 0 in | 0 in | 4980 in6 | 18.4 in3 | 126 in3 |
Materials and Design Standards W21x55
This section is typically designed using the design standard AISC 360-16 LRFD and is manufactured using a hot rolled process as it is a steel section.
