Steel Beam Sizes / CISC / Double Angles / 2LE51×51×7.9
2LE51×51×7.9 Steel Beam Dimensions and Properties
CISC Double angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2LE51×51×7.9 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 | 7.84 lb/ft | 11.60 kg/m |
| Width | 2.00 in | 50.80 mm |
| Height | 2.00 in | 50.80 mm |
| t | 0.313 in | 7.940 mm |
| Area | 2.31 in² | 1,490.00 mm² |
| Ix | 0.83 in⁴ | 347,000.00 mm⁴ |
| Sx | 0.60 in³ | 9,840.00 mm³ |
| rx | 0.60 in | 15.30 mm |
| J | 0.08 in⁴ | 31,300.00 mm⁴ |
| Cw | 0.02 in⁶ | 5,710,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2LE51×51×7.9.
Lighter in Double angles
2LE76×76×4.8
- Weight
- 11.0 kg/m (-5.4%)
- Depth
- 76.2 mm (+50%)
- Ix
- 800,000 mm⁴ (+131%)
Heavier in Double angles
2LE64×64×6.4
- Weight
- 12.2 kg/m (+4.6%)
- Depth
- 63.5 mm (+25%)
- Ix
- 585,000 mm⁴ (+69%)
Closest Iₓ in Double angles
2LS76×51×6.4
- Weight
- 12.2 kg/m (+4.6%)
- Depth
- 50.8 mm (0.0%)
- Ix
- 326,000 mm⁴ (-6.1%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology