Steel Beam Sizes / AISC / W-Shapes / W8 / W8x24
W8x24 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W8x24: 7.93 in depth, 6.5 in flange width, 24 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W8x24 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 | 24.00 lb/ft | 35.90 kg/m |
| Depth, d | 7.93 in | 201.00 mm |
| Flange width, bf | 6.50 in | 165.00 mm |
| tw | 0.245 in | 6.220 mm |
| tf | 0.400 in | 10.200 mm |
| Area | 7.08 in² | 4,570.00 mm² |
| Ix | 82.70 in⁴ | 34,400,000 mm⁴ |
| Iy | 18.30 in⁴ | 7,620,000 mm⁴ |
| Sx | 20.90 in³ | 342,000.00 mm³ |
| Sy | 5.63 in³ | 92,300.00 mm³ |
| Zx | 23.10 in³ | 379,000.00 mm³ |
| Zy | 8.57 in³ | 140,000.00 mm³ |
| rx | 3.42 in | 86.90 mm |
| ry | 1.61 in | 40.90 mm |
| J | 0.35 in⁴ | 144,000.00 mm⁴ |
| Cw | 259.00 in⁶ | 69,600,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W8x24.
Lighter in W8
W8x21
- Weight
- 21.0 lb/ft (-13%)
- Depth
- 8.28 in (+4.4%)
- Ix
- 75.3 in⁴ (-8.9%)
Heavier in W8
W8x28
- Weight
- 28.0 lb/ft (+17%)
- Depth
- 8.06 in (+1.6%)
- Ix
- 98.0 in⁴ (+19%)
Another Iₓ option in W8
W8x18
- Weight
- 18.0 lb/ft (-25%)
- Depth
- 8.14 in (+2.6%)
- Ix
- 61.9 in⁴ (-25%)
Similar weight in W6
W6x25
- Weight
- 25.0 lb/ft (+4.2%)
- Depth
- 6.38 in (-20%)
- Ix
- 53.4 in⁴ (-35%)
Source: AISC Shapes Database v16.0 · Methodology