W21×68 wide-flange beam
W21×68 weighs 68 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 1/8" |
|---|---|
| Flange width (bf) | 8 1/4" |
| Web thickness (tw) | 7/16" |
| Flange thickness (tf) | 11/16" |
| k (detailing) | 1 3/8" |
| Workable gage (g) | 5 1/2" |
Section properties
| Weight | 68 lb/ft |
|---|---|
| Area (A) | 20 in² |
| Ix | 1480 in⁴ |
| Sx | 140 in³ |
| Zx | 160 in³ |
| rx | 8.6 in |
| Iy | 64.7 in⁴ |
| Sy | 15.7 in³ |
| Zy | 24.4 in³ |
| ry | 1.8 in |
| J | 2.45 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 W21×68 cut, formed, or fabricated? Huntington Steel & Supply Co.