Steel Beam Sizes / UK / Rolled Steel Joists / RSJ 254×203×82
RSJ 254×203×82 Dimensions, Weight and Section Properties
UK Rolled steel joists · v2023.11
RSJ 254×203×82: 254 mm depth, 203.2 mm flange width, 82 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
RSJ 254×203×82 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 | 55.10 lb/ft | 82.00 kg/m |
| Depth, d | 10.00 in | 254.00 mm |
| Flange width, bf | 8.00 in | 203.20 mm |
| tw | 0.402 in | 10.200 mm |
| tf | 0.783 in | 19.900 mm |
| Area | 16.28 in² | 10,500.00 mm² |
| Ix | 288.30 in⁴ | 120,000,000 mm⁴ |
| Iy | 54.78 in⁴ | 22,800,000 mm⁴ |
| Sx | 57.79 in³ | 947,000.00 mm³ |
| Sy | 13.67 in³ | 224,000.00 mm³ |
| Zx | 65.91 in³ | 1,080,000 mm³ |
| Zy | 22.64 in³ | 371,000.00 mm³ |
| rx | 4.21 in | 107.00 mm |
| ry | 1.84 in | 46.70 mm |
| J | 3.65 in⁴ | 1,520,000 mm⁴ |
| Cw | 1,161.86 in⁶ | 312,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus RSJ 254×203×82.
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology