Steel Beam Sizes / AISC / W-Shapes / W40 / W40x372
W40x372 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W40x372: 40.6 in depth, 16.1 in flange width, 372 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W40x372 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 | 372.00 lb/ft | 554.00 kg/m |
| Depth, d | 40.60 in | 1,030.00 mm |
| Flange width, bf | 16.10 in | 409.00 mm |
| tw | 1.160 in | 29.500 mm |
| tf | 2.050 in | 52.100 mm |
| Area | 110.00 in² | 71,000.00 mm² |
| Ix | 29,600.00 in⁴ | 12,300,000,000 mm⁴ |
| Iy | 1,420.00 in⁴ | 591,000,000 mm⁴ |
| Sx | 1,460.00 in³ | 23,900,000 mm³ |
| Sy | 177.00 in³ | 2,900,000 mm³ |
| Zx | 1,680.00 in³ | 27,500,000 mm³ |
| Zy | 277.00 in³ | 4,540,000 mm³ |
| rx | 16.50 in | 419.00 mm |
| ry | 3.60 in | 91.40 mm |
| J | 116.00 in⁴ | 48,300,000 mm⁴ |
| Cw | 528,000.00 in⁶ | 142,000,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W40x372.
Lighter in W40
W40x362
- Weight
- 362.0 lb/ft (-2.7%)
- Depth
- 40.60 in (0.0%)
- Ix
- 28,900.0 in⁴ (-2.4%)
Heavier in W40
W40x392
- Weight
- 392.0 lb/ft (+5.4%)
- Depth
- 41.60 in (+2.5%)
- Ix
- 29,900.0 in⁴ (+1.0%)
Another Iₓ option in W40
W40x397
- Weight
- 397.0 lb/ft (+6.7%)
- Depth
- 41.00 in (+1.0%)
- Ix
- 32,000.0 in⁴ (+8.1%)
Similar weight in W44
W44x368
- Weight
- 368.0 lb/ft (-1.1%)
- Depth
- 44.40 in (+9.4%)
- Ix
- 34,700.0 in⁴ (+17%)
Source: AISC Shapes Database v16.0 · Methodology