Steel Beam Sizes / CISC / Angles / L64×64×6.4
L64×64×6.4 Steel Beam Dimensions and Properties
CISC Angles · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L64×64×6.4 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 | 4.10 lb/ft | 6.10 kg/m |
| Width | 2.50 in | 63.50 mm |
| Height | 2.50 in | 63.50 mm |
| t | 0.250 in | 6.350 mm |
| Area | 1.19 in² | 766.00 mm² |
| Ix | 0.70 in⁴ | 293,000.00 mm⁴ |
| Iy | 0.70 in⁴ | 293,000.00 mm⁴ |
| Sx | 0.39 in³ | 6,460.00 mm³ |
| Sy | 0.39 in³ | 6,460.00 mm³ |
| rx | 0.77 in | 19.50 mm |
| ry | 0.77 in | 19.50 mm |
| J | 0.02 in⁴ | 10,300.00 mm⁴ |
| Cw | 0.01 in⁶ | 3,120,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L64×64×6.4.
Lighter in L64
L64×51×6.4
- Weight
- 5.4 kg/m (-12%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 272,000 mm⁴ (-7.2%)
Heavier in L64
L64×51×7.9
- Weight
- 6.7 kg/m (+9.8%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 328,000 mm⁴ (+12%)
Closest Iₓ in L64
L64×38×6.4
- Weight
- 4.8 kg/m (-22%)
- Depth
- 63.5 mm (0.0%)
- Ix
- 246,000 mm⁴ (-16%)
Similar weight in L76
L76×51×6.4
- Weight
- 6.1 kg/m (0.0%)
- Depth
- 76.2 mm (+20%)
- Ix
- 453,000 mm⁴ (+55%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology