Steel Beam Sizes / CISC / Angles / L64×51×6.4
L64×51×6.4 Steel Beam Dimensions and Properties
CISC Angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L64×51×6.4 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 | 3.62 lb/ft | 5.40 kg/m |
| Width | 2.00 in | 50.80 mm |
| Height | 2.50 in | 63.50 mm |
| t | 0.250 in | 6.350 mm |
| Area | 1.06 in² | 685.00 mm² |
| Ix | 0.65 in⁴ | 272,000.00 mm⁴ |
| Iy | 0.37 in⁴ | 155,000.00 mm⁴ |
| Sx | 0.38 in³ | 6,250.00 mm³ |
| Sy | 0.25 in³ | 4,170.00 mm³ |
| rx | 0.78 in | 19.90 mm |
| ry | 0.59 in | 15.00 mm |
| J | 0.02 in⁴ | 9,210.00 mm⁴ |
| Cw | 0.01 in⁶ | 2,330,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L64×51×6.4.
Lighter in L64
L64×38×6.4
- Weight
- 4.8 kg/m (-12%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 246,000 mm⁴ (-9.6%)
Heavier in L64
L64×64×6.4
- Weight
- 6.1 kg/m (+13%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 293,000 mm⁴ (+7.7%)
Closest Iₓ in L64
L64×64×4.8
- Weight
- 4.6 kg/m (-15%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 227,000 mm⁴ (-17%)
Similar weight in L76
L76×76×4.8
- Weight
- 5.5 kg/m (+2.5%)
- Depth
- 76.2 mm (+20%)
- Ix
- 400,000 mm⁴ (+47%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology