Steel Beam Sizes / UK / UB Tees / T 178×305×46
T 178×305×46 Steel Beam Dimensions and Properties
UK Tees split from universal beams · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
T 178×305×46 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 | 30.98 lb/ft | 46.10 kg/m |
| Depth, d | 11.87 in | 301.50 mm |
| Flange width, bf | 7.04 in | 178.80 mm |
| tw | 0.429 in | 10.900 mm |
| tf | 0.591 in | 15.000 mm |
| Area | 9.10 in² | 5,870.00 mm² |
| Ix | 130.94 in⁴ | 54,500,000 mm⁴ |
| Iy | 17.25 in⁴ | 7,180,000 mm⁴ |
| Sx | 15.56 in³ | 255,000.00 mm³ |
| Sy | 4.90 in³ | 80,300.00 mm³ |
| Zx | 28.56 in³ | 468,000.00 mm³ |
| Zy | 7.87 in³ | 129,000.00 mm³ |
| rx | 3.80 in | 96.40 mm |
| ry | 1.38 in | 35.00 mm |
| J | 0.85 in⁴ | 353,000.00 mm⁴ |
| Cw | 3.91 in⁶ | 1,050,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 178×305×46.
Lighter in Tees split from universal beams
T 210×267×46
- Weight
- 46.0 kg/m (-0.2%)
- Depth
- 266.5 mm (-12%)
- Ix
- 38,800,000 mm⁴ (-29%)
Heavier in Tees split from universal beams
T 191×229×49
- Weight
- 49.1 kg/m (+6.5%)
- Depth
- 233.5 mm (-23%)
- Ix
- 29,700,000 mm⁴ (-46%)
Closest Iₓ in Tees split from universal beams
T 312×267×75
- Weight
- 75.3 kg/m (+63%)
- Depth
- 271.5 mm (-10.0%)
- Ix
- 56,200,000 mm⁴ (+3.1%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology