Steel Beam Sizes / CISC / Double Angles / 2LS127×89×7.9
2LS127×89×7.9 Steel Beam Dimensions and Properties
CISC Double angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2LS127×89×7.9 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 | 17.40 lb/ft | 25.80 kg/m |
| Width | 5.00 in | 127.00 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.313 in | 7.940 mm |
| Area | 5.12 in² | 3,300.00 mm² |
| Ix | 5.43 in⁴ | 2,260,000 mm⁴ |
| Sx | 2.04 in³ | 33,500.00 mm³ |
| rx | 1.03 in | 26.20 mm |
| J | 0.17 in⁴ | 69,400.00 mm⁴ |
| Cw | 0.26 in⁶ | 68,800,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2LS127×89×7.9.
Lighter in Double angles
2LE89×89×9.5
- Weight
- 25.2 kg/m (-2.3%)
- Depth
- 88.9 mm (0.0%)
- Ix
- 2,390,000 mm⁴ (+5.8%)
Heavier in Double angles
2LL102×89×9.5
- Weight
- 27.0 kg/m (+4.6%)
- Depth
- 102.0 mm (+15%)
- Ix
- 3,520,000 mm⁴ (+56%)
Closest Iₓ in Double angles
2LL89×76×9.5
- Weight
- 23.4 kg/m (-9.2%)
- Depth
- 88.9 mm (0.0%)
- Ix
- 2,270,000 mm⁴ (+0.4%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology