Steel Beam Sizes / AISC / WT Tees / WT8x15.5
WT8x15.5 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT8x15.5: 7.94 in depth, 5.53 in flange width, 15.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT8x15.5 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 | 15.50 lb/ft | 23.10 kg/m |
| Depth, d | 7.94 in | 202.00 mm |
| Flange width, bf | 5.53 in | 140.00 mm |
| tw | 0.275 in | 6.990 mm |
| tf | 0.440 in | 11.200 mm |
| Area | 4.56 in² | 2,940.00 mm² |
| Ix | 27.50 in⁴ | 11,400,000 mm⁴ |
| Iy | 6.20 in⁴ | 2,580,000 mm⁴ |
| Sx | 4.64 in³ | 76,000.00 mm³ |
| Sy | 2.24 in³ | 36,700.00 mm³ |
| Zx | 8.27 in³ | 136,000.00 mm³ |
| Zy | 3.51 in³ | 57,500.00 mm³ |
| rx | 2.45 in | 62.20 mm |
| ry | 1.17 in | 29.70 mm |
| J | 0.23 in⁴ | 95,700.00 mm⁴ |
| Cw | 0.37 in⁶ | 98,300,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT8x15.5.
Lighter in WT8
WT8x13
- Weight
- 13.0 lb/ft (-16%)
- Depth
- 7.85 in (-1.1%)
- Ix
- 23.5 in⁴ (-15%)
Heavier in WT8
WT8x18
- Weight
- 18.0 lb/ft (+16%)
- Depth
- 7.93 in (-0.1%)
- Ix
- 30.6 in⁴ (+11%)
Another Iₓ option in WT8
WT8x20
- Weight
- 20.0 lb/ft (+29%)
- Depth
- 8.01 in (+0.9%)
- Ix
- 33.1 in⁴ (+20%)
Similar weight in WT7
WT7x15
- Weight
- 15.0 lb/ft (-3.2%)
- Depth
- 6.92 in (-13%)
- Ix
- 19.0 in⁴ (-31%)
Source: AISC Shapes Database v16.0 · Methodology