Steel Beam Sizes / AISC / WT Tees / WT10.5x55.5
WT10.5x55.5 Steel Beam Dimensions and Properties
AISC Structural tees · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT10.5x55.5 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 | 55.50 lb/ft | 82.50 kg/m |
| Depth, d | 10.80 in | 274.00 mm |
| Flange width, bf | 12.30 in | 312.00 mm |
| tw | 0.550 in | 14.000 mm |
| tf | 0.875 in | 22.200 mm |
| Area | 16.30 in² | 10,500.00 mm² |
| Ix | 150.00 in⁴ | 62,400,000 mm⁴ |
| Iy | 137.00 in⁴ | 57,000,000 mm⁴ |
| Sx | 17.50 in³ | 287,000.00 mm³ |
| Sy | 22.20 in³ | 364,000.00 mm³ |
| Zx | 31.00 in³ | 508,000.00 mm³ |
| Zy | 34.10 in³ | 559,000.00 mm³ |
| rx | 3.03 in | 77.00 mm |
| ry | 2.90 in | 73.70 mm |
| J | 3.40 in⁴ | 1,420,000 mm⁴ |
| Cw | 13.80 in⁶ | 3,710,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT10.5x55.5.
Lighter in WT10
WT10.5x50.5
- Weight
- 50.5 lb/ft (-9.0%)
- Depth
- 10.70 in (-0.9%)
- Ix
- 135.0 in⁴ (-10%)
Heavier in WT10
WT10.5x61
- Weight
- 61.0 lb/ft (+9.9%)
- Depth
- 10.80 in (0.0%)
- Ix
- 166.0 in⁴ (+11%)
Closest Iₓ in WT10
WT10.5x46.5
- Weight
- 46.5 lb/ft (-16%)
- Depth
- 10.80 in (0.0%)
- Ix
- 144.0 in⁴ (-4.0%)
Similar weight in WT9
WT9x53
- Weight
- 53.0 lb/ft (-4.5%)
- Depth
- 9.37 in (-13%)
- Ix
- 104.0 in⁴ (-31%)
Source: AISC Shapes Database v16.0 · Methodology