Steel Beam Sizes / CISC / W-Shapes / W840×329

W840×329 Steel Beam Dimensions and Properties

CISC Wide flange · v12.1

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

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

Same-series weight neighbors, closest Ix, 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%)

Closest Iₓ 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%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology