Steel Beam Sizes / AISC / WT Tees / WT9x79
WT9x79 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT9x79: 9.86 in depth, 11.3 in flange width, 79 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT9x79 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 | 79.00 lb/ft | 118.00 kg/m |
| Depth, d | 9.86 in | 250.00 mm |
| Flange width, bf | 11.30 in | 287.00 mm |
| tw | 0.810 in | 20.600 mm |
| tf | 1.440 in | 36.600 mm |
| Area | 23.20 in² | 15,000.00 mm² |
| Ix | 160.00 in⁴ | 66,600,000 mm⁴ |
| Iy | 174.00 in⁴ | 72,400,000 mm⁴ |
| Sx | 20.80 in³ | 341,000.00 mm³ |
| Sy | 30.70 in³ | 503,000.00 mm³ |
| Zx | 38.50 in³ | 631,000.00 mm³ |
| Zy | 47.40 in³ | 777,000.00 mm³ |
| rx | 2.63 in | 66.80 mm |
| ry | 2.74 in | 69.60 mm |
| J | 12.50 in⁴ | 5,200,000 mm⁴ |
| Cw | 41.20 in⁶ | 11,100,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT9x79.
Lighter in WT9
WT9x71.5
- Weight
- 71.5 lb/ft (-9.5%)
- Depth
- 9.75 in (-1.1%)
- Ix
- 142.0 in⁴ (-11%)
Heavier in WT9
WT9x87.5
- Weight
- 87.5 lb/ft (+11%)
- Depth
- 10.00 in (+1.4%)
- Ix
- 181.0 in⁴ (+13%)
Another Iₓ option in WT9
WT9x65
- Weight
- 65.0 lb/ft (-18%)
- Depth
- 9.63 in (-2.3%)
- Ix
- 127.0 in⁴ (-21%)
Similar weight in WT10
WT10.5x83
- Weight
- 83.0 lb/ft (+5.1%)
- Depth
- 11.20 in (+14%)
- Ix
- 226.0 in⁴ (+41%)
Source: AISC Shapes Database v16.0 · Methodology