Steel Beam Sizes / CISC / Double Angles / 2LL89×76×7.9
2LL89×76×7.9 Steel Beam Dimensions and Properties
CISC Double angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2LL89×76×7.9 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 | 13.20 lb/ft | 19.60 kg/m |
| Width | 3.00 in | 76.20 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.313 in | 7.940 mm |
| Area | 3.88 in² | 2,500.00 mm² |
| Ix | 4.66 in⁴ | 1,940,000 mm⁴ |
| Sx | 1.91 in³ | 31,300.00 mm³ |
| rx | 1.10 in | 27.90 mm |
| J | 0.13 in⁴ | 52,400.00 mm⁴ |
| Cw | 0.10 in⁶ | 27,500,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2LL89×76×7.9.
Lighter in Double angles
2LL102×89×6.4
- Weight
- 18.4 kg/m (-6.1%)
- Depth
- 102.0 mm (+15%)
- Ix
- 2,450,000 mm⁴ (+26%)
Heavier in Double angles
2LL127×89×6.4
- Weight
- 20.8 kg/m (+6.1%)
- Depth
- 127.0 mm (+43%)
- Ix
- 4,480,000 mm⁴ (+131%)
Closest Iₓ in Double angles
2LS89×76×13
- Weight
- 30.2 kg/m (+55%)
- Depth
- 76.2 mm (-14%)
- Ix
- 1,940,000 mm⁴ (0.0%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology