Steel Beam Sizes / CISC / Double Angles / 2LL127×76×7.9
2LL127×76×7.9 Steel Beam Dimensions and Properties
CISC Double angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2LL127×76×7.9 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 | 16.40 lb/ft | 24.20 kg/m |
| Width | 3.00 in | 76.20 mm |
| Height | 5.00 in | 127.00 mm |
| t | 0.313 in | 7.940 mm |
| Area | 4.81 in² | 3,100.00 mm² |
| Ix | 12.52 in⁴ | 5,210,000 mm⁴ |
| Sx | 3.78 in³ | 61,900.00 mm³ |
| rx | 1.61 in | 41.00 mm |
| J | 0.16 in⁴ | 65,200.00 mm⁴ |
| Cw | 0.23 in⁶ | 62,300,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2LL127×76×7.9.
Lighter in Double angles
2LL89×76×9.5
- Weight
- 23.4 kg/m (-3.7%)
- Depth
- 88.9 mm (-30%)
- Ix
- 2,270,000 mm⁴ (-56%)
Heavier in Double angles
2LE76×76×11
- Weight
- 24.8 kg/m (+1.2%)
- Depth
- 76.2 mm (-40%)
- Ix
- 1,660,000 mm⁴ (-68%)
Closest Iₓ in Double angles
2LS152×102×13
- Weight
- 48.0 kg/m (+98%)
- Depth
- 102.0 mm (-20%)
- Ix
- 5,280,000 mm⁴ (+1.3%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology