W8×18 wide-flange beam
W8×18 weighs 18 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) | 8 1/8" |
|---|---|
| Flange width (bf) | 5 1/4" |
| Web thickness (tw) | 1/4" |
| Flange thickness (tf) | 5/16" |
| k (detailing) | 13/16" |
| Workable gage (g) | 2 3/4" |
Section properties
| Weight | 18 lb/ft |
|---|---|
| Area (A) | 5.26 in² |
| Ix | 61.9 in⁴ |
| Sx | 15.2 in³ |
| Zx | 17 in³ |
| rx | 3.43 in |
| Iy | 7.97 in⁴ |
| Sy | 3.04 in³ |
| Zy | 4.66 in³ |
| ry | 1.23 in |
| J | 0.172 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 W8×18 cut, formed, or fabricated? Huntington Steel & Supply Co.