Steel Beam Sizes / CISC / Angles / L127×89×7.9
L127×89×7.9 Dimensions, Weight and Section Properties
CISC Angles · v12.1
L127×89×7.9: 127 mm depth, 12.9 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
L127×89×7.9 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 | 8.70 lb/ft | 12.90 kg/m |
| Width | 3.50 in | 88.90 mm |
| Height | 5.00 in | 127.00 mm |
| t | 0.313 in | 7.940 mm |
| Area | 2.56 in² | 1,650.00 mm² |
| Ix | 6.61 in⁴ | 2,750,000 mm⁴ |
| Iy | 2.71 in⁴ | 1,130,000 mm⁴ |
| Sx | 1.93 in³ | 31,700.00 mm³ |
| Sy | 1.02 in³ | 16,700.00 mm³ |
| rx | 1.61 in | 40.80 mm |
| ry | 1.03 in | 26.20 mm |
| J | 0.08 in⁴ | 34,700.00 mm⁴ |
| Cw | 0.13 in⁶ | 34,400,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus L127×89×7.9.
Lighter in L127
L127×76×7.9
- Weight
- 12.1 kg/m (-5.7%)
- Depth
- 127.0 mm (0.0%)
- Ix
- 2,610,000 mm⁴ (-5.1%)
Heavier in L127
L127×76×9.5
- Weight
- 14.5 kg/m (+13%)
- Depth
- 127.0 mm (0.0%)
- Ix
- 3,070,000 mm⁴ (+12%)
Another Iₓ option in L127
L127×127×7.9
- Weight
- 15.3 kg/m (+18%)
- Depth
- 127.0 mm (0.0%)
- Ix
- 3,090,000 mm⁴ (+12%)
Similar weight in L102
L102×76×9.5
- Weight
- 12.6 kg/m (-2.3%)
- Depth
- 102.0 mm (-20%)
- Ix
- 1,670,000 mm⁴ (-39%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology