Steel Beam Sizes / AISC / W-Shapes / W40 / W40x503
W40x503 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W40x503: 42.1 in depth, 16.4 in flange width, 503 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W40x503 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 | 503.00 lb/ft | 748.00 kg/m |
| Depth, d | 42.10 in | 1,070.00 mm |
| Flange width, bf | 16.40 in | 417.00 mm |
| tw | 1.540 in | 39.100 mm |
| tf | 2.760 in | 70.100 mm |
| Area | 148.00 in² | 95,500.00 mm² |
| Ix | 41,600.00 in⁴ | 17,300,000,000 mm⁴ |
| Iy | 2,040.00 in⁴ | 849,000,000 mm⁴ |
| Sx | 1,980.00 in³ | 32,400,000 mm³ |
| Sy | 249.00 in³ | 4,080,000 mm³ |
| Zx | 2,320.00 in³ | 38,000,000 mm³ |
| Zy | 394.00 in³ | 6,460,000 mm³ |
| rx | 16.80 in | 427.00 mm |
| ry | 3.72 in | 94.50 mm |
| J | 277.00 in⁴ | 115,000,000 mm⁴ |
| Cw | 789,000.00 in⁶ | 212,000,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W40x503.
Lighter in W40
W40x431
- Weight
- 431.0 lb/ft (-14%)
- Depth
- 41.30 in (-1.9%)
- Ix
- 34,800.0 in⁴ (-16%)
Heavier in W40
W40x593
- Weight
- 593.0 lb/ft (+18%)
- Depth
- 43.00 in (+2.1%)
- Ix
- 50,400.0 in⁴ (+21%)
Another Iₓ option in W40
W40x397
- Weight
- 397.0 lb/ft (-21%)
- Depth
- 41.00 in (-2.6%)
- Ix
- 32,000.0 in⁴ (-23%)
Similar weight in W36
W36x487
- Weight
- 487.0 lb/ft (-3.2%)
- Depth
- 39.30 in (-6.7%)
- Ix
- 36,000.0 in⁴ (-13%)
Source: AISC Shapes Database v16.0 · Methodology