Steel Beam Sizes / CISC / Angles / L102×89×7.9
L102×89×7.9 Steel Beam Dimensions and Properties
CISC Angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L102×89×7.9 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 | 7.70 lb/ft | 11.40 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 4.02 in | 102.00 mm |
| t | 0.313 in | 7.940 mm |
| Area | 2.25 in² | 1,450.00 mm² |
| Ix | 3.60 in⁴ | 1,500,000 mm⁴ |
| Iy | 2.55 in⁴ | 1,060,000 mm⁴ |
| Sx | 1.28 in³ | 20,900.00 mm³ |
| Sy | 0.99 in³ | 16,300.00 mm³ |
| rx | 1.26 in | 32.10 mm |
| ry | 1.07 in | 27.10 mm |
| J | 0.07 in⁴ | 30,500.00 mm⁴ |
| Cw | 0.08 in⁶ | 21,600,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L102×89×7.9.
Lighter in L102
L102×76×7.9
- Weight
- 10.7 kg/m (-6.5%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,420,000 mm⁴ (-5.3%)
Heavier in L102
L102×102×7.9
- Weight
- 12.2 kg/m (+6.5%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,570,000 mm⁴ (+4.7%)
Closest Iₓ in L102
L102×76×9.5
- Weight
- 12.6 kg/m (+10%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,670,000 mm⁴ (+11%)
Similar weight in L89
L89×76×9.5
- Weight
- 11.7 kg/m (+2.6%)
- Depth
- 88.9 mm (-13%)
- Ix
- 1,130,000 mm⁴ (-25%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology