Steel Beam Sizes / AISC / W-Shapes / W30 / W30x99
W30x99 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W30x99: 29.7 in depth, 10.5 in flange width, 99 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W30x99 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 | 99.00 lb/ft | 147.00 kg/m |
| Depth, d | 29.70 in | 754.00 mm |
| Flange width, bf | 10.50 in | 267.00 mm |
| tw | 0.520 in | 13.200 mm |
| tf | 0.670 in | 17.000 mm |
| Area | 29.00 in² | 18,700.00 mm² |
| Ix | 3,990.00 in⁴ | 1,660,000,000 mm⁴ |
| Iy | 128.00 in⁴ | 53,300,000 mm⁴ |
| Sx | 269.00 in³ | 4,410,000 mm³ |
| Sy | 24.50 in³ | 401,000.00 mm³ |
| Zx | 312.00 in³ | 5,110,000 mm³ |
| Zy | 38.60 in³ | 633,000.00 mm³ |
| rx | 11.70 in | 297.00 mm |
| ry | 2.10 in | 53.30 mm |
| J | 3.77 in⁴ | 1,570,000 mm⁴ |
| Cw | 26,800.00 in⁶ | 7,200,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W30x99.
Lighter in W30
W30x90
- Weight
- 90.0 lb/ft (-9.1%)
- Depth
- 29.50 in (-0.7%)
- Ix
- 3,610.0 in⁴ (-9.5%)
Heavier in W30
W30x108
- Weight
- 108.0 lb/ft (+9.1%)
- Depth
- 29.80 in (+0.3%)
- Ix
- 4,470.0 in⁴ (+12%)
Another Iₓ option in W30
W30x116
- Weight
- 116.0 lb/ft (+17%)
- Depth
- 30.00 in (+1.0%)
- Ix
- 4,930.0 in⁴ (+24%)
Similar weight in W27
W27x102
- Weight
- 102.0 lb/ft (+3.0%)
- Depth
- 27.10 in (-8.8%)
- Ix
- 3,620.0 in⁴ (-9.3%)
Source: AISC Shapes Database v16.0 · Methodology