Steel Beam Sizes / CISC / Angles / L102×76×7.9
L102×76×7.9 Steel Beam Dimensions and Properties
CISC Angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L102×76×7.9 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 | 7.20 lb/ft | 10.70 kg/m |
| Width | 3.00 in | 76.20 mm |
| Height | 4.02 in | 102.00 mm |
| t | 0.313 in | 7.940 mm |
| Area | 2.09 in² | 1,350.00 mm² |
| Ix | 3.41 in⁴ | 1,420,000 mm⁴ |
| Iy | 1.65 in⁴ | 686,000.00 mm⁴ |
| Sx | 1.24 in³ | 20,400.00 mm³ |
| Sy | 0.73 in³ | 12,000.00 mm³ |
| rx | 1.28 in | 32.40 mm |
| ry | 0.89 in | 22.50 mm |
| J | 0.07 in⁴ | 28,400.00 mm⁴ |
| Cw | 0.07 in⁶ | 18,300,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L102×76×7.9.
Lighter in L102
L102×102×6.4
- Weight
- 9.8 kg/m (-8.3%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,280,000 mm⁴ (-9.9%)
Heavier in L102
L102×89×7.9
- Weight
- 11.4 kg/m (+6.9%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,500,000 mm⁴ (+5.6%)
Closest Iₓ in L102
L102×102×7.9
- Weight
- 12.2 kg/m (+14%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,570,000 mm⁴ (+11%)
Similar weight in L89
L89×64×9.5
- Weight
- 10.7 kg/m (0.0%)
- Depth
- 88.9 mm (-13%)
- Ix
- 1,070,000 mm⁴ (-25%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology