Steel Beam Sizes / CISC / Angles / L89×64×7.9
L89×64×7.9 Steel Beam Dimensions and Properties
CISC Angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L89×64×7.9 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 | 6.10 lb/ft | 9.00 kg/m |
| Width | 2.50 in | 63.50 mm |
| Height | 3.50 in | 88.90 mm |
| t | 0.313 in | 7.940 mm |
| Area | 1.78 in² | 1,150.00 mm² |
| Ix | 2.19 in⁴ | 912,000.00 mm⁴ |
| Iy | 0.94 in⁴ | 391,000.00 mm⁴ |
| Sx | 0.93 in³ | 15,200.00 mm³ |
| Sy | 0.50 in³ | 8,260.00 mm³ |
| rx | 1.11 in | 28.20 mm |
| ry | 0.73 in | 18.50 mm |
| J | 0.06 in⁴ | 24,100.00 mm⁴ |
| Cw | 0.04 in⁶ | 11,500,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L89×64×7.9.
Lighter in L89
L89×89×6.4
- Weight
- 8.6 kg/m (-4.9%)
- Depth
- 88.9 mm (0.0%)
- Ix
- 837,000 mm⁴ (-8.2%)
Heavier in L89
L89×76×7.9
- Weight
- 9.8 kg/m (+8.2%)
- Depth
- 88.9 mm (0.0%)
- Ix
- 970,000 mm⁴ (+6.4%)
Closest Iₓ in L89
L89×89×7.9
- Weight
- 10.7 kg/m (+18%)
- Depth
- 88.9 mm (0.0%)
- Ix
- 1,020,000 mm⁴ (+12%)
Similar weight in L76
L76×76×7.9
- Weight
- 9.1 kg/m (0.0%)
- Depth
- 76.2 mm (-14%)
- Ix
- 629,000 mm⁴ (-31%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology