Steel Beam Sizes / CISC / WT Tees / WT180×81
WT180×81 Dimensions, Weight and Section Properties
CISC Structural tees · v12.1
WT180×81: 182 mm depth, 371 mm flange width, 81 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT180×81 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 | 54.50 lb/ft | 81.00 kg/m |
| Depth, d | 7.17 in | 182.00 mm |
| Flange width, bf | 14.61 in | 371.00 mm |
| tw | 0.524 in | 13.300 mm |
| tf | 0.858 in | 21.800 mm |
| Area | 15.97 in² | 10,300.00 mm² |
| Ix | 45.17 in⁴ | 18,800,000 mm⁴ |
| Iy | 222.95 in⁴ | 92,800,000 mm⁴ |
| Sx | 7.57 in³ | 124,000.00 mm³ |
| Sy | 30.51 in³ | 500,000.00 mm³ |
| rx | 1.68 in | 42.70 mm |
| ry | 3.74 in | 94.90 mm |
| J | 3.53 in⁴ | 1,470,000 mm⁴ |
| Cw | 14.90 in⁶ | 4,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT180×81.
Lighter in WT180
WT180×73.5
- Weight
- 73.5 kg/m (-9.2%)
- Depth
- 180.0 mm (-1.1%)
- Ix
- 17,000,000 mm⁴ (-9.6%)
Heavier in WT180
WT180×89.5
- Weight
- 89.5 kg/m (+10%)
- Depth
- 184.0 mm (+1.1%)
- Ix
- 21,600,000 mm⁴ (+15%)
Another Iₓ option in WT180
WT180×61
- Weight
- 61.0 kg/m (-25%)
- Depth
- 182.0 mm (0.0%)
- Ix
- 17,300,000 mm⁴ (-8.0%)
Similar weight in WT155
WT155×79
- Weight
- 79.0 kg/m (-2.8%)
- Depth
- 164.0 mm (-9.9%)
- Ix
- 15,200,000 mm⁴ (-19%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology