Steel Beam Sizes / AISC / W-Shapes / W40 / W40x264
W40x264 Steel Beam Dimensions and Properties
AISC Wide flange · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ 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