Steel Beam Sizes / AISC / WT Tees / WT4x17.5
WT4x17.5 Steel Beam Dimensions and Properties
AISC Structural tees · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ 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