Steel Beam Sizes / CISC / Double Angles / 2LL64×51×9.5
2LL64×51×9.5 Steel Beam Dimensions and Properties
CISC Double angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
2LL64×51×9.5 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 | 10.60 lb/ft | 15.80 kg/m |
| Width | 2.00 in | 50.80 mm |
| Height | 2.50 in | 63.50 mm |
| t | 0.375 in | 9.530 mm |
| Area | 3.10 in² | 2,000.00 mm² |
| Ix | 1.83 in⁴ | 760,000.00 mm⁴ |
| Sx | 1.09 in³ | 17,900.00 mm³ |
| rx | 0.77 in | 19.50 mm |
| J | 0.15 in⁴ | 60,500.00 mm⁴ |
| Cw | 0.05 in⁶ | 14,400,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2LL64×51×9.5.
Lighter in Double angles
2LE64×64×7.9
- Weight
- 14.8 kg/m (-5.7%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 707,000 mm⁴ (-7.0%)
Heavier in Double angles
2LL89×76×6.4
- Weight
- 16.0 kg/m (+1.9%)
- Depth
- 88.9 mm (+40%)
- Ix
- 1,590,000 mm⁴ (+109%)
Closest Iₓ in Double angles
2LL76×64×4.8
- Weight
- 10.2 kg/m (-36%)
- Depth
- 76.2 mm (+20%)
- Ix
- 755,000 mm⁴ (-0.7%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology