S20×66 standard beam
S20×66 weighs 66 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) | 20" |
|---|---|
| Flange width (bf) | 6 1/4" |
| Web thickness (tw) | 1/2" |
| Flange thickness (tf) | 13/16" |
| k (detailing) | 1 5/8" |
| Workable gage (g) | 3 1/2" |
Section properties
| Weight | 66 lb/ft |
|---|---|
| Area (A) | 19.4 in² |
| Ix | 1190 in⁴ |
| Sx | 119 in³ |
| Zx | 139 in³ |
| rx | 7.83 in |
| Iy | 27.5 in⁴ |
| Sy | 8.78 in³ |
| Zy | 15.4 in³ |
| ry | 1.19 in |
| J | 3.58 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 S20×66 cut, formed, or fabricated? Huntington Steel & Supply Co.