Steel Beam Sizes / AISC / W-Shapes / W40 / W40x264
W40x264 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W40x264: 40 in depth, 11.9 in flange width, 264 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W40x264 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 | 264.00 lb/ft | 393.00 kg/m |
| Depth, d | 40.00 in | 1,020.00 mm |
| Flange width, bf | 11.90 in | 302.00 mm |
| tw | 0.960 in | 24.400 mm |
| tf | 1.730 in | 43.900 mm |
| Area | 77.40 in² | 49,900.00 mm² |
| Ix | 19,400.00 in⁴ | 8,070,000,000 mm⁴ |
| Iy | 493.00 in⁴ | 205,000,000 mm⁴ |
| Sx | 971.00 in³ | 15,900,000 mm³ |
| Sy | 82.60 in³ | 1,350,000 mm³ |
| Zx | 1,130.00 in³ | 18,500,000 mm³ |
| Zy | 132.00 in³ | 2,160,000 mm³ |
| rx | 15.80 in | 401.00 mm |
| ry | 2.52 in | 64.00 mm |
| J | 56.10 in⁴ | 23,400,000 mm⁴ |
| Cw | 181,000.00 in⁶ | 48,600,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W40x264.
Lighter in W40
W40x249
- Weight
- 249.0 lb/ft (-5.7%)
- Depth
- 39.40 in (-1.5%)
- Ix
- 19,600.0 in⁴ (+1.0%)
Heavier in W40
W40x277
- Weight
- 277.0 lb/ft (+4.9%)
- Depth
- 39.70 in (-0.7%)
- Ix
- 21,900.0 in⁴ (+13%)
Another Iₓ option in W40
W40x278
- Weight
- 278.0 lb/ft (+5.3%)
- Depth
- 40.20 in (+0.5%)
- Ix
- 20,500.0 in⁴ (+5.7%)
Similar weight in W44
W44x262
- Weight
- 262.0 lb/ft (-0.8%)
- Depth
- 43.30 in (+8.2%)
- Ix
- 24,100.0 in⁴ (+24%)
Source: AISC Shapes Database v16.0 · Methodology