Steel Beam Sizes / AISC / W-Shapes / W40 / W40x297
W40x297 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W40x297: 39.8 in depth, 15.8 in flange width, 297 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W40x297 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 | 297.00 lb/ft | 443.00 kg/m |
| Depth, d | 39.80 in | 1,010.00 mm |
| Flange width, bf | 15.80 in | 401.00 mm |
| tw | 0.930 in | 23.600 mm |
| tf | 1.650 in | 41.900 mm |
| Area | 87.30 in² | 56,300.00 mm² |
| Ix | 23,200.00 in⁴ | 9,660,000,000 mm⁴ |
| Iy | 1,090.00 in⁴ | 454,000,000 mm⁴ |
| Sx | 1,170.00 in³ | 19,200,000 mm³ |
| Sy | 138.00 in³ | 2,260,000 mm³ |
| Zx | 1,330.00 in³ | 21,800,000 mm³ |
| Zy | 215.00 in³ | 3,520,000 mm³ |
| rx | 16.30 in | 414.00 mm |
| ry | 3.54 in | 89.90 mm |
| J | 61.20 in⁴ | 25,500,000 mm⁴ |
| Cw | 399,000.00 in⁶ | 107,000,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W40x297.
Lighter in W40
W40x294
- Weight
- 294.0 lb/ft (-1.0%)
- Depth
- 40.40 in (+1.5%)
- Ix
- 21,900.0 in⁴ (-5.6%)
Heavier in W40
W40x324
- Weight
- 324.0 lb/ft (+9.1%)
- Depth
- 40.20 in (+1.0%)
- Ix
- 25,600.0 in⁴ (+10%)
Another Iₓ option in W40
W40x277
- Weight
- 277.0 lb/ft (-6.7%)
- Depth
- 39.70 in (-0.3%)
- Ix
- 21,900.0 in⁴ (-5.6%)
Similar weight in W36
W36x302
- Weight
- 302.0 lb/ft (+1.7%)
- Depth
- 37.30 in (-6.3%)
- Ix
- 21,100.0 in⁴ (-9.1%)
Source: AISC Shapes Database v16.0 · Methodology