Steel Beam Sizes / UK / Universal Beams / UB 838×292×251
UB 838×292×251 Steel Beam Dimensions and Properties
UK Universal beams · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
UB 838×292×251 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 | 168.66 lb/ft | 251.00 kg/m |
| Depth, d | 33.82 in | 859.00 mm |
| Flange width, bf | 11.50 in | 292.00 mm |
| tw | 0.669 in | 17.000 mm |
| tf | 1.220 in | 31.000 mm |
| Area | 49.45 in² | 31,900.00 mm² |
| Ix | 9,273.69 in⁴ | 3,860,000,000 mm⁴ |
| Iy | 309.92 in⁴ | 129,000,000 mm⁴ |
| Sx | 549.21 in³ | 9,000,000 mm³ |
| Sy | 53.94 in³ | 884,000.00 mm³ |
| Zx | 628.54 in³ | 10,300,000 mm³ |
| Zy | 84.21 in³ | 1,380,000 mm³ |
| rx | 13.70 in | 348.00 mm |
| ry | 2.50 in | 63.60 mm |
| J | 17.66 in⁴ | 7,350,000 mm⁴ |
| Cw | 81,925.74 in⁶ | 22,000,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 838×292×251.
Lighter in Universal beams
UB 1016×305×249
- Weight
- 249.0 kg/m (-0.8%)
- Depth
- 980.0 mm (+14%)
- Ix
- 4,810,000,000 mm⁴ (+25%)
Heavier in Universal beams
UB 914×305×253
- Weight
- 253.0 kg/m (+0.8%)
- Depth
- 918.4 mm (+6.9%)
- Ix
- 4,360,000,000 mm⁴ (+13%)
Closest Iₓ in Universal beams
UB 914×305×224
- Weight
- 224.0 kg/m (-11%)
- Depth
- 910.4 mm (+6.0%)
- Ix
- 3,760,000,000 mm⁴ (-2.6%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology