Steel Beam Sizes / UK / Rolled Steel Joists / RSJ 102×44×7
RSJ 102×44×7 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 102×44×7 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 | 4.70 lb/ft | 7.00 kg/m |
| Depth, d | 4.00 in | 101.60 mm |
| Flange width, bf | 1.73 in | 44.00 mm |
| Area | 1.47 in² | 950.00 mm² |
| Ix | 3.68 in⁴ | 1,530,000 mm⁴ |
| Iy | 0.19 in⁴ | 78,200.00 mm⁴ |
| Sx | 1.84 in³ | 30,100.00 mm³ |
| Sy | 0.21 in³ | 3,510.00 mm³ |
| Zx | 2.16 in³ | 35,400.00 mm³ |
| Zy | 0.37 in³ | 6,030.00 mm³ |
| rx | 1.58 in | 40.10 mm |
| ry | 0.36 in | 9.07 mm |
| J | 0.03 in⁴ | 12,500.00 mm⁴ |
| Cw | 0.66 in⁶ | 178,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RSJ 102×44×7.
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology