Steel Beam Sizes / UK / Universal Columns / UC 203×203×100
UC 203×203×100 Steel Beam Dimensions and Properties
UK Universal columns · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
UC 203×203×100 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 | 67.20 lb/ft | 100.00 kg/m |
| Depth, d | 9.02 in | 229.00 mm |
| Flange width, bf | 8.27 in | 210.00 mm |
| tw | 0.571 in | 14.500 mm |
| tf | 0.933 in | 23.700 mm |
| Area | 19.69 in² | 12,700.00 mm² |
| Ix | 271.48 in⁴ | 113,000,000 mm⁴ |
| Iy | 87.93 in⁴ | 36,600,000 mm⁴ |
| Sx | 60.35 in³ | 989,000.00 mm³ |
| Sy | 21.30 in³ | 349,000.00 mm³ |
| Zx | 70.18 in³ | 1,150,000 mm³ |
| Zy | 32.53 in³ | 533,000.00 mm³ |
| rx | 3.72 in | 94.50 mm |
| ry | 2.12 in | 53.80 mm |
| J | 5.02 in⁴ | 2,090,000 mm⁴ |
| Cw | 1,437.42 in⁶ | 386,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UC 203×203×100.
Lighter in Universal columns
UC 305×305×97
- Weight
- 96.9 kg/m (-3.1%)
- Depth
- 307.9 mm (+34%)
- Ix
- 222,000,000 mm⁴ (+96%)
Heavier in Universal columns
UC 254×254×107
- Weight
- 107.0 kg/m (+7.0%)
- Depth
- 266.7 mm (+16%)
- Ix
- 175,000,000 mm⁴ (+55%)
Closest Iₓ in Universal columns
UC 254×254×73
- Weight
- 73.1 kg/m (-27%)
- Depth
- 254.1 mm (+11%)
- Ix
- 114,000,000 mm⁴ (+0.9%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology