Steel Beam Sizes / AISC / W-Shapes / W8 / W8x28
W8x28 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W8x28: 8.06 in depth, 6.54 in flange width, 28 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W8x28 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 | 28.00 lb/ft | 41.70 kg/m |
| Depth, d | 8.06 in | 205.00 mm |
| Flange width, bf | 6.54 in | 166.00 mm |
| tw | 0.285 in | 7.240 mm |
| tf | 0.465 in | 11.800 mm |
| Area | 8.25 in² | 5,320.00 mm² |
| Ix | 98.00 in⁴ | 40,800,000 mm⁴ |
| Iy | 21.70 in⁴ | 9,030,000 mm⁴ |
| Sx | 24.30 in³ | 398,000.00 mm³ |
| Sy | 6.63 in³ | 109,000.00 mm³ |
| Zx | 27.20 in³ | 446,000.00 mm³ |
| Zy | 10.10 in³ | 166,000.00 mm³ |
| rx | 3.45 in | 87.60 mm |
| ry | 1.62 in | 41.10 mm |
| J | 0.54 in⁴ | 224,000.00 mm⁴ |
| Cw | 312.00 in⁶ | 83,800,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W8x28.
Lighter in W8
W8x24
- Weight
- 24.0 lb/ft (-14%)
- Depth
- 7.93 in (-1.6%)
- Ix
- 82.7 in⁴ (-16%)
Heavier in W8
W8x31
- Weight
- 31.0 lb/ft (+11%)
- Depth
- 8.00 in (-0.7%)
- Ix
- 110.0 in⁴ (+12%)
Another Iₓ option in W8
W8x21
- Weight
- 21.0 lb/ft (-25%)
- Depth
- 8.28 in (+2.7%)
- Ix
- 75.3 in⁴ (-23%)
Similar weight in W10
W10x26
- Weight
- 26.0 lb/ft (-7.1%)
- Depth
- 10.30 in (+28%)
- Ix
- 144.0 in⁴ (+47%)
Source: AISC Shapes Database v16.0 · Methodology