Steel Beam Sizes / UK / Rolled Steel Joists / RSJ 203×152×52
RSJ 203×152×52 Steel Beam Dimensions and Properties
UK Rolled steel joists · v2023.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
RSJ 203×152×52 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 | 34.94 lb/ft | 52.00 kg/m |
| Depth, d | 8.00 in | 203.20 mm |
| Flange width, bf | 5.98 in | 152.00 mm |
| Area | 10.32 in² | 6,660.00 mm² |
| Ix | 115.32 in⁴ | 48,000,000 mm⁴ |
| Iy | 19.60 in⁴ | 8,160,000 mm⁴ |
| Sx | 28.80 in³ | 472,000.00 mm³ |
| Sy | 6.53 in³ | 107,000.00 mm³ |
| Zx | 33.01 in³ | 541,000.00 mm³ |
| Zy | 10.74 in³ | 176,000.00 mm³ |
| rx | 3.34 in | 84.90 mm |
| ry | 1.38 in | 35.00 mm |
| J | 1.56 in⁴ | 648,000.00 mm⁴ |
| Cw | 264.77 in⁶ | 71,100,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RSJ 203×152×52.
Lighter in Rolled steel joists
RSJ 152×127×37
- Weight
- 37.0 kg/m (-29%)
- Depth
- 152.4 mm (-25%)
- Ix
- 18,200,000 mm⁴ (-62%)
Heavier in Rolled steel joists
RSJ 254×203×82
- Weight
- 82.0 kg/m (+58%)
- Depth
- 254.0 mm (+25%)
- Ix
- 120,000,000 mm⁴ (+150%)
Closest Iₓ in Rolled steel joists
RSJ 254×114×37
- Weight
- 37.0 kg/m (-29%)
- Depth
- 254.0 mm (+25%)
- Ix
- 50,800,000 mm⁴ (+5.8%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology