Steel Beam Sizes / CISC / WT Tees / WT305×120.5
WT305×120.5 Steel Beam Dimensions and Properties
CISC Structural tees · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT305×120.5 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 | 81.00 lb/ft | 120.50 kg/m |
| Depth, d | 12.52 in | 318.00 mm |
| Flange width, bf | 12.95 in | 329.00 mm |
| tw | 0.705 in | 17.900 mm |
| tf | 1.220 in | 31.000 mm |
| Area | 23.87 in² | 15,400.00 mm² |
| Ix | 295.51 in⁴ | 123,000,000 mm⁴ |
| Iy | 221.27 in⁴ | 92,100,000 mm⁴ |
| Sx | 29.96 in³ | 491,000.00 mm³ |
| Sy | 34.17 in³ | 560,000.00 mm³ |
| rx | 3.51 in | 89.20 mm |
| ry | 3.04 in | 77.30 mm |
| J | 9.23 in⁴ | 3,840,000 mm⁴ |
| Cw | 43.94 in⁶ | 11,800,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT305×120.5.
Lighter in WT305
WT305×108.5
- Weight
- 108.5 kg/m (-9.9%)
- Depth
- 314.0 mm (-1.3%)
- Ix
- 110,000,000 mm⁴ (-11%)
Closest Iₓ in WT305
WT305×97.5
- Weight
- 97.5 kg/m (-19%)
- Depth
- 311.0 mm (-2.2%)
- Ix
- 99,400,000 mm⁴ (-19%)
Similar weight in WT345
WT345×120
- Weight
- 120.0 kg/m (-0.6%)
- Depth
- 351.0 mm (+10%)
- Ix
- 156,000,000 mm⁴ (+27%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology