Steel Beam Sizes / UK / UB Tees / T 171×178×26
T 171×178×26 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 171×178×26 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 | 17.14 lb/ft | 25.50 kg/m |
| Depth, d | 6.98 in | 177.40 mm |
| Flange width, bf | 6.75 in | 171.50 mm |
| tw | 0.291 in | 7.400 mm |
| tf | 0.453 in | 11.500 mm |
| Area | 5.02 in² | 3,240.00 mm² |
| Ix | 21.19 in⁴ | 8,820,000 mm⁴ |
| Iy | 11.63 in⁴ | 4,840,000 mm⁴ |
| Sx | 3.90 in³ | 63,900.00 mm³ |
| Sy | 3.45 in³ | 56,500.00 mm³ |
| Zx | 6.90 in³ | 113,000.00 mm³ |
| Zy | 5.32 in³ | 87,100.00 mm³ |
| rx | 2.05 in | 52.10 mm |
| ry | 1.52 in | 38.60 mm |
| J | 0.29 in⁴ | 119,000.00 mm⁴ |
| Cw | 0.41 in⁶ | 110,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 171×178×26.
Lighter in Tees split from universal beams
T 127×152×24
- Weight
- 24.0 kg/m (-5.9%)
- Depth
- 155.4 mm (-12%)
- Ix
- 6,620,000 mm⁴ (-25%)
Heavier in Tees split from universal beams
T 152×229×26
- Weight
- 26.1 kg/m (+2.4%)
- Depth
- 224.8 mm (+27%)
- Ix
- 16,700,000 mm⁴ (+89%)
Closest Iₓ in Tees split from universal beams
T 171×178×23
- Weight
- 22.5 kg/m (-12%)
- Depth
- 175.6 mm (-1.0%)
- Ix
- 7,980,000 mm⁴ (-9.5%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology