Steel Beam Sizes / AISC / WT Tees / WT10.5x31
WT10.5x31 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT10.5x31: 10.5 in depth, 8.24 in flange width, 31 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT10.5x31 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 | 31.00 lb/ft | 46.00 kg/m |
| Depth, d | 10.50 in | 267.00 mm |
| Flange width, bf | 8.24 in | 209.00 mm |
| tw | 0.400 in | 10.200 mm |
| tf | 0.615 in | 15.600 mm |
| Area | 9.13 in² | 5,890.00 mm² |
| Ix | 93.80 in⁴ | 39,000,000 mm⁴ |
| Iy | 28.70 in⁴ | 11,900,000 mm⁴ |
| Sx | 11.90 in³ | 195,000.00 mm³ |
| Sy | 6.97 in³ | 114,000.00 mm³ |
| Zx | 21.10 in³ | 346,000.00 mm³ |
| Zy | 10.90 in³ | 179,000.00 mm³ |
| rx | 3.21 in | 81.50 mm |
| ry | 1.77 in | 45.00 mm |
| J | 0.91 in⁴ | 380,000.00 mm⁴ |
| Cw | 2.78 in⁶ | 747,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT10.5x31.
Lighter in WT10
WT10.5x28.5
- Weight
- 28.5 lb/ft (-8.1%)
- Depth
- 10.50 in (0.0%)
- Ix
- 90.4 in⁴ (-3.6%)
Heavier in WT10
WT10.5x34
- Weight
- 34.0 lb/ft (+9.7%)
- Depth
- 10.60 in (+1.0%)
- Ix
- 103.0 in⁴ (+9.8%)
Another Iₓ option in WT10
WT10.5x27.5
- Weight
- 27.5 lb/ft (-11%)
- Depth
- 10.40 in (-1.0%)
- Ix
- 84.4 in⁴ (-10%)
Similar weight in WT12
WT12x31
- Weight
- 31.0 lb/ft (0.0%)
- Depth
- 11.90 in (+13%)
- Ix
- 131.0 in⁴ (+40%)
Source: AISC Shapes Database v16.0 · Methodology