Steel Beam Sizes / AISC / WT Tees / WT4x17.5
WT4x17.5 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT4x17.5: 4.06 in depth, 8.02 in flange width, 17.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT4x17.5 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 | 17.50 lb/ft | 26.00 kg/m |
| Depth, d | 4.06 in | 103.00 mm |
| Flange width, bf | 8.02 in | 204.00 mm |
| tw | 0.310 in | 7.870 mm |
| tf | 0.495 in | 12.600 mm |
| Area | 5.14 in² | 3,320.00 mm² |
| Ix | 4.82 in⁴ | 2,010,000 mm⁴ |
| Iy | 21.30 in⁴ | 8,870,000 mm⁴ |
| Sx | 1.43 in³ | 23,400.00 mm³ |
| Sy | 5.31 in³ | 87,000.00 mm³ |
| Zx | 2.71 in³ | 44,400.00 mm³ |
| Zy | 8.05 in³ | 132,000.00 mm³ |
| rx | 0.97 in | 24.60 mm |
| ry | 2.03 in | 51.60 mm |
| J | 0.38 in⁴ | 160,000.00 mm⁴ |
| Cw | 0.48 in⁶ | 129,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT4x17.5.
Lighter in WT4
WT4x15.5
- Weight
- 15.5 lb/ft (-11%)
- Depth
- 4.00 in (-1.5%)
- Ix
- 4.3 in⁴ (-11%)
Heavier in WT4
WT4x20
- Weight
- 20.0 lb/ft (+14%)
- Depth
- 4.13 in (+1.7%)
- Ix
- 5.7 in⁴ (+19%)
Another Iₓ option in WT4
WT4x14
- Weight
- 14.0 lb/ft (-20%)
- Depth
- 4.03 in (-0.7%)
- Ix
- 4.2 in⁴ (-12%)
Similar weight in WT5
WT5x16.5
- Weight
- 16.5 lb/ft (-5.7%)
- Depth
- 4.87 in (+20%)
- Ix
- 7.7 in⁴ (+60%)
Source: AISC Shapes Database v16.0 · Methodology