Steel Beam Sizes / AISC / WT Tees / WT13.5x80.5
WT13.5x80.5 Steel Beam Dimensions and Properties
AISC Structural tees · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT13.5x80.5 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 | 80.50 lb/ft | 120.00 kg/m |
| Depth, d | 13.80 in | 351.00 mm |
| Flange width, bf | 14.00 in | 356.00 mm |
| tw | 0.660 in | 16.800 mm |
| tf | 1.080 in | 27.400 mm |
| Area | 23.80 in² | 15,400.00 mm² |
| Ix | 372.00 in⁴ | 155,000,000 mm⁴ |
| Iy | 248.00 in⁴ | 103,000,000 mm⁴ |
| Sx | 34.40 in³ | 564,000.00 mm³ |
| Sy | 35.40 in³ | 580,000.00 mm³ |
| Zx | 60.80 in³ | 996,000.00 mm³ |
| Zy | 54.50 in³ | 893,000.00 mm³ |
| rx | 3.95 in | 100.00 mm |
| ry | 3.23 in | 82.00 mm |
| J | 7.53 in⁴ | 3,130,000 mm⁴ |
| Cw | 42.70 in⁶ | 11,500,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT13.5x80.5.
Lighter in WT13
WT13.5x73
- Weight
- 73.0 lb/ft (-9.3%)
- Depth
- 13.70 in (-0.7%)
- Ix
- 336.0 in⁴ (-9.7%)
Heavier in WT13
WT13.5x89
- Weight
- 89.0 lb/ft (+11%)
- Depth
- 13.90 in (+0.7%)
- Ix
- 414.0 in⁴ (+11%)
Closest Iₓ in WT13
WT13.5x64.5
- Weight
- 64.5 lb/ft (-20%)
- Depth
- 13.80 in (0.0%)
- Ix
- 323.0 in⁴ (-13%)
Similar weight in WT12
WT12x81
- Weight
- 81.0 lb/ft (+0.6%)
- Depth
- 12.50 in (-9.4%)
- Ix
- 293.0 in⁴ (-21%)
Source: AISC Shapes Database v16.0 · Methodology