Steel Beam Sizes / AISC / WT Tees / WT20x74.5
WT20x74.5 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT20x74.5: 19.1 in depth, 11.8 in flange width, 74.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT20x74.5 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 74.50 lb/ft | 111.00 kg/m |
| Depth, d | 19.10 in | 485.00 mm |
| Flange width, bf | 11.80 in | 300.00 mm |
| tw | 0.630 in | 16.000 mm |
| tf | 0.830 in | 21.100 mm |
| Area | 21.90 in² | 14,100.00 mm² |
| Ix | 815.00 in⁴ | 339,000,000 mm⁴ |
| Iy | 114.00 in⁴ | 47,500,000 mm⁴ |
| Sx | 59.70 in³ | 978,000.00 mm³ |
| Sy | 19.40 in³ | 318,000.00 mm³ |
| Zx | 108.00 in³ | 1,770,000 mm³ |
| Zy | 30.90 in³ | 506,000.00 mm³ |
| rx | 6.10 in | 155.00 mm |
| ry | 2.29 in | 58.20 mm |
| J | 4.66 in⁴ | 1,940,000 mm⁴ |
| Cw | 51.90 in⁶ | 13,900,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT20x74.5.
Source: AISC Shapes Database v16.0 · Methodology