Steel Beam Sizes / AISC / Angles / L8x4x5/8
L8x4x5/8 Steel Beam Dimensions and Properties
AISC Angles · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
L8x4x5/8 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 | 24.20 lb/ft | 36.00 kg/m |
| Width | 8.00 in | 203.00 mm |
| Height | 4.00 in | 102.00 mm |
| t | 0.625 in | 15.900 mm |
| Area | 7.16 in² | 4,620.00 mm² |
| Ix | 47.00 in⁴ | 19,600,000 mm⁴ |
| Iy | 8.11 in⁴ | 3,380,000 mm⁴ |
| Sx | 9.20 in³ | 151,000.00 mm³ |
| Sy | 2.62 in³ | 42,900.00 mm³ |
| Zx | 16.10 in³ | 264,000.00 mm³ |
| Zy | 4.86 in³ | 79,600.00 mm³ |
| rx | 2.56 in | 65.00 mm |
| ry | 1.06 in | 26.90 mm |
| J | 0.96 in⁴ | 398,000.00 mm⁴ |
| Cw | 3.42 in⁶ | 918,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L8x4x5/8.
Lighter in L8
L8x6x1/2
- Weight
- 23.0 lb/ft (-5.0%)
- Depth
- 6.00 in (+50%)
- Ix
- 44.4 in⁴ (-5.5%)
Heavier in L8
L8x6x9/16
- Weight
- 25.7 lb/ft (+6.2%)
- Depth
- 6.00 in (+50%)
- Ix
- 49.4 in⁴ (+5.1%)
Closest Iₓ in L8
L8x8x1/2
- Weight
- 26.4 lb/ft (+9.1%)
- Depth
- 8.00 in (+100%)
- Ix
- 48.8 in⁴ (+3.8%)
Similar weight in L7
L7x4x3/4
- Weight
- 26.2 lb/ft (+8.3%)
- Depth
- 4.00 in (0.0%)
- Ix
- 37.8 in⁴ (-20%)
Source: AISC Shapes Database v16.0 · Methodology