Steel Beam Sizes / CISC / Double Angles / 2LL76×51×7.9
2LL76×51×7.9 Steel Beam Dimensions and Properties
CISC Double angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2LL76×51×7.9 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 | 10.00 lb/ft | 14.80 kg/m |
| Width | 2.00 in | 50.80 mm |
| Height | 3.00 in | 76.20 mm |
| t | 0.313 in | 7.940 mm |
| Area | 2.93 in² | 1,890.00 mm² |
| Ix | 2.64 in⁴ | 1,100,000 mm⁴ |
| Sx | 1.33 in³ | 21,800.00 mm³ |
| rx | 0.95 in | 24.10 mm |
| J | 0.10 in⁴ | 39,700.00 mm⁴ |
| Cw | 0.05 in⁶ | 13,300,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2LL76×51×7.9.
Lighter in Double angles
2LE76×76×6.4
- Weight
- 14.6 kg/m (-2.0%)
- Depth
- 76.2 mm (0.0%)
- Ix
- 1,040,000 mm⁴ (-5.5%)
Heavier in Double angles
2LL64×51×9.5
- Weight
- 15.8 kg/m (+6.0%)
- Depth
- 63.5 mm (-17%)
- Ix
- 760,000 mm⁴ (-31%)
Closest Iₓ in Double angles
2LS89×76×6.4
- Weight
- 16.0 kg/m (+8.0%)
- Depth
- 76.2 mm (0.0%)
- Ix
- 1,090,000 mm⁴ (-0.9%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology