W21×122 wide-flange beam
W21×122 weighs 122 lb per foot. Detailing dimensions and section properties below come from the AISC Shapes Database, 16th Edition. Values are shown to the nearest 1/16 in. as they appear on a shop drawing.
Detailing dimensions
| Depth (d) | 21 5/8" |
|---|---|
| Flange width (bf) | 12 3/8" |
| Web thickness (tw) | 5/8" |
| Flange thickness (tf) | 15/16" |
| k (detailing) | 2 1/4" |
| Workable gage (g) | 5 1/2" |
Section properties
| Weight | 122 lb/ft |
|---|---|
| Area (A) | 35.9 in² |
| Ix | 2960 in⁴ |
| Sx | 273 in³ |
| Zx | 307 in³ |
| rx | 9.09 in |
| Iy | 305 in⁴ |
| Sy | 49.2 in³ |
| Zy | 75.6 in³ |
| ry | 2.92 in |
| J | 8.98 in⁴ |
Detailing values are rounded to the nearest 1/16 in. per the AISC Steel Construction Manual. Verify critical dimensions against the current Manual before fabrication. Need W21×122 cut, formed, or fabricated? Huntington Steel & Supply Co.