12-1/4 x 21 Dimensions
The wood beam dimensions for the 12-1/4 x 21 section can be seen in the table. The depth of the section is 21 in. The width of the section is 12.25 in.
| Dimension | Value |
|---|---|
| Depth | 21 in |
| Width | 12.25 in |
12-1/4 x 21 Section Properties
The 12-1/4 x 21 section has an area of 257.3in2. The below table outlines the 12-1/4 x 21 section properties including the torsion constant as well as moment of inertia and plastic modulus properties.
| A | Izp | Iyp | rz | ry |
|---|---|---|---|---|
| 257.3 in2 | 9454 in4 | 3217 in4 | 6.06 in | 3.54 in |
Materials and Design Standards 12-1/4 x 21
This section is typically designed using the design standard NDS 2018 LRFD and is manufactured using a glue laminated process as it is a wood section.
