Steel Beam Sizes / CISC / W-Shapes / W840×329
W840×329 Dimensions, Weight and Section Properties
CISC Wide flange · v12.1
W840×329: 862 mm depth, 401 mm flange width, 329 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W840×329 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 | 221.00 lb/ft | 329.00 kg/m |
| Depth, d | 33.94 in | 862.00 mm |
| Flange width, bf | 15.79 in | 401.00 mm |
| tw | 0.776 in | 19.700 mm |
| tf | 1.276 in | 32.400 mm |
| Area | 65.10 in² | 42,000.00 mm² |
| Ix | 12,877.45 in⁴ | 5,360,000,000 mm⁴ |
| Iy | 838.48 in⁴ | 349,000,000 mm⁴ |
| Sx | 756.69 in³ | 12,400,000 mm³ |
| Sy | 106.18 in³ | 1,740,000 mm³ |
| Zx | 854.33 in³ | 14,000,000 mm³ |
| Zy | 164.15 in³ | 2,690,000 mm³ |
| rx | 14.06 in | 357.00 mm |
| ry | 3.59 in | 91.10 mm |
| J | 27.87 in⁴ | 11,600,000 mm⁴ |
| Cw | 223,433.84 in⁶ | 60,000,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W840×329.
Lighter in W840
W840×299
- Weight
- 299.0 kg/m (-9.0%)
- Depth
- 855.0 mm (-0.8%)
- Ix
- 4,800,000,000 mm⁴ (-10%)
Heavier in W840
W840×359
- Weight
- 359.0 kg/m (+9.0%)
- Depth
- 868.0 mm (+0.7%)
- Ix
- 5,920,000,000 mm⁴ (+10%)
Another Iₓ option in W840
W840×392
- Weight
- 392.0 kg/m (+19%)
- Depth
- 877.0 mm (+1.7%)
- Ix
- 6,600,000,000 mm⁴ (+23%)
Similar weight in W920
W920×344
- Weight
- 344.0 kg/m (+4.5%)
- Depth
- 927.0 mm (+7.5%)
- Ix
- 6,450,000,000 mm⁴ (+20%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology