Steel Beam Sizes / UK / UB Tees / T 171×178×29
T 171×178×29 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 171×178×29 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 | 19.15 lb/ft | 28.50 kg/m |
| Depth, d | 7.04 in | 178.90 mm |
| Flange width, bf | 6.78 in | 172.20 mm |
| tw | 0.319 in | 8.100 mm |
| tf | 0.512 in | 13.000 mm |
| Area | 5.63 in² | 3,630.00 mm² |
| Ix | 23.69 in⁴ | 9,860,000 mm⁴ |
| Iy | 13.31 in⁴ | 5,540,000 mm⁴ |
| Sx | 4.33 in³ | 70,900.00 mm³ |
| Sy | 3.93 in³ | 64,400.00 mm³ |
| Zx | 7.63 in³ | 125,000.00 mm³ |
| Zy | 6.07 in³ | 99,400.00 mm³ |
| rx | 2.05 in | 52.10 mm |
| ry | 1.54 in | 39.10 mm |
| J | 0.40 in⁴ | 166,000.00 mm⁴ |
| Cw | 0.57 in⁶ | 154,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 171×178×29.
Lighter in Tees split from universal beams
T 165×152×27
- Weight
- 27.0 kg/m (-5.3%)
- Depth
- 155.1 mm (-13%)
- Ix
- 6,420,000 mm⁴ (-35%)
Heavier in Tees split from universal beams
T 152×229×30
- Weight
- 29.9 kg/m (+4.9%)
- Depth
- 227.2 mm (+27%)
- Ix
- 18,800,000 mm⁴ (+91%)
Closest Iₓ in Tees split from universal beams
T 140×203×20
- Weight
- 19.5 kg/m (-32%)
- Depth
- 198.9 mm (+11%)
- Ix
- 9,790,000 mm⁴ (-0.7%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology