Steel Beam Sizes / UK / Rolled Steel Joists / RSJ 76×76×13
RSJ 76×76×13 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 76×76×13 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 | 8.74 lb/ft | 13.00 kg/m |
| Depth, d | 3.00 in | 76.20 mm |
| Flange width, bf | 2.99 in | 76.00 mm |
| Area | 2.51 in² | 1,620.00 mm² |
| Ix | 3.80 in⁴ | 1,580,000 mm⁴ |
| Iy | 1.24 in⁴ | 518,000.00 mm⁴ |
| Sx | 2.53 in³ | 41,500.00 mm³ |
| Sy | 0.83 in³ | 13,600.00 mm³ |
| Zx | 2.97 in³ | 48,700.00 mm³ |
| Zy | 1.37 in³ | 22,400.00 mm³ |
| rx | 1.23 in | 31.20 mm |
| ry | 0.70 in | 17.90 mm |
| J | 0.11 in⁴ | 45,900.00 mm⁴ |
| Cw | 2.22 in⁶ | 595,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RSJ 76×76×13.
Lighter in Rolled steel joists
RSJ 102×44×7
- Weight
- 7.0 kg/m (-46%)
- Depth
- 101.6 mm (+33%)
- Ix
- 1,530,000 mm⁴ (-3.2%)
Heavier in Rolled steel joists
RSJ 76×76×15
- Weight
- 15.0 kg/m (+15%)
- Depth
- 76.2 mm (0.0%)
- Ix
- 1,720,000 mm⁴ (+8.9%)
Closest Iₓ in Rolled steel joists
RSJ 89×89×19
- Weight
- 19.0 kg/m (+46%)
- Depth
- 88.9 mm (+17%)
- Ix
- 3,070,000 mm⁴ (+94%)
Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology