W40×278 wide-flange beam
W40×278 weighs 278 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) | 40 1/8" |
|---|---|
| Flange width (bf) | 12" |
| Web thickness (tw) | 1" |
| Flange thickness (tf) | 1 13/16" |
| k (detailing) | 3 1/16" |
| Workable gage (g) | 7 1/2" |
Section properties
| Weight | 278 lb/ft |
|---|---|
| Area (A) | 82.3 in² |
| Ix | 20500 in⁴ |
| Sx | 1020 in³ |
| Zx | 1190 in³ |
| rx | 15.8 in |
| Iy | 521 in⁴ |
| Sy | 87.1 in³ |
| Zy | 140 in³ |
| ry | 2.52 in |
| J | 65 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 W40×278 cut, formed, or fabricated? Huntington Steel & Supply Co.