Steel Beam Sizes / AISC / W-Shapes / W40 / W40x655
W40x655 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W40x655: 43.6 in depth, 16.9 in flange width, 655 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W40x655 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 | 655.00 lb/ft | 976.00 kg/m |
| Depth, d | 43.60 in | 1,110.00 mm |
| Flange width, bf | 16.90 in | 429.00 mm |
| tw | 1.970 in | 50.000 mm |
| tf | 3.540 in | 89.900 mm |
| Area | 193.00 in² | 125,000.00 mm² |
| Ix | 56,500.00 in⁴ | 23,500,000,000 mm⁴ |
| Iy | 2,870.00 in⁴ | 1,190,000,000 mm⁴ |
| Sx | 2,590.00 in³ | 42,500,000 mm³ |
| Sy | 340.00 in³ | 5,570,000 mm³ |
| Zx | 3,080.00 in³ | 50,500,000 mm³ |
| Zy | 542.00 in³ | 8,880,000 mm³ |
| rx | 17.10 in | 434.00 mm |
| ry | 3.86 in | 98.00 mm |
| J | 589.00 in⁴ | 245,000,000 mm⁴ |
| Cw | 1,150,000.00 in⁶ | 309,000,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W40x655.
Lighter in W40
W40x593
- Weight
- 593.0 lb/ft (-9.5%)
- Depth
- 43.00 in (-1.4%)
- Ix
- 50,400.0 in⁴ (-11%)
Another Iₓ option in W40
W40x503
- Weight
- 503.0 lb/ft (-23%)
- Depth
- 42.10 in (-3.4%)
- Ix
- 41,600.0 in⁴ (-26%)
Similar weight in W36
W36x652
- Weight
- 652.0 lb/ft (-0.5%)
- Depth
- 41.10 in (-5.7%)
- Ix
- 50,600.0 in⁴ (-10%)
Source: AISC Shapes Database v16.0 · Methodology