W12×40 wide-flange beam
W12×40 weighs 40 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) | 12" |
|---|---|
| Flange width (bf) | 8" |
| Web thickness (tw) | 5/16" |
| Flange thickness (tf) | 1/2" |
| k (detailing) | 1 3/8" |
| Workable gage (g) | 5 1/2" |
Section properties
| Weight | 40 lb/ft |
|---|---|
| Area (A) | 11.7 in² |
| Ix | 307 in⁴ |
| Sx | 51.5 in³ |
| Zx | 57 in³ |
| rx | 5.13 in |
| Iy | 44.1 in⁴ |
| Sy | 11 in³ |
| Zy | 16.8 in³ |
| ry | 1.94 in |
| J | 0.906 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 W12×40 cut, formed, or fabricated? Huntington Steel & Supply Co.