Steel Beam Sizes / UK / Universal Beams / UB 533×165×66
UB 533×165×66 Dimensions, Weight and Section Properties
UK Universal beams · v2023.11
UB 533×165×66: 525 mm depth, 165 mm flange width, 66 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
UB 533×165×66 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 | 44.35 lb/ft | 66.00 kg/m |
| Depth, d | 20.67 in | 525.00 mm |
| Flange width, bf | 6.50 in | 165.00 mm |
| tw | 0.350 in | 8.900 mm |
| tf | 0.449 in | 11.400 mm |
| Area | 12.99 in² | 8,380.00 mm² |
| Ix | 843.28 in⁴ | 351,000,000 mm⁴ |
| Iy | 20.59 in⁴ | 8,570,000 mm⁴ |
| Sx | 81.77 in³ | 1,340,000 mm³ |
| Sy | 6.35 in³ | 104,000.00 mm³ |
| Zx | 95.20 in³ | 1,560,000 mm³ |
| Zy | 10.13 in³ | 166,000.00 mm³ |
| rx | 8.07 in | 205.00 mm |
| ry | 1.26 in | 32.00 mm |
| J | 0.77 in⁴ | 322,000.00 mm⁴ |
| Cw | 2,096.55 in⁶ | 563,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus UB 533×165×66.
Lighter in Universal beams
UB 406×178×60
- Weight
- 60.1 kg/m (-8.9%)
- Depth
- 406.4 mm (-23%)
- Ix
- 216,000,000 mm⁴ (-38%)
Heavier in Universal beams
UB 356×171×67
- Weight
- 67.1 kg/m (+1.7%)
- Depth
- 363.4 mm (-31%)
- Ix
- 195,000,000 mm⁴ (-44%)
Another Iₓ option in Universal beams
UB 457×152×82
- Weight
- 82.1 kg/m (+24%)
- Depth
- 465.8 mm (-11%)
- Ix
- 366,000,000 mm⁴ (+4.3%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology