Steel Beam Sizes / AISC / W-Shapes / W33 / W33x291

W33x291 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

Analyze in Beam Calculator Back to W-Shapes All W33

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

Units

Section diagram

W33x291 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 291.00 lb/ft 433.00 kg/m
Depth, d 34.80 in 884.00 mm
Flange width, bf 15.90 in 404.00 mm
tw 0.960 in 24.400 mm
tf 1.730 in 43.900 mm
Area 85.60 in² 55,200.00 mm²
Ix 17,700.00 in⁴ 7,370,000,000 mm⁴
Iy 1,160.00 in⁴ 483,000,000 mm⁴
Sx 1,020.00 in³ 16,700,000 mm³
Sy 146.00 in³ 2,390,000 mm³
Zx 1,160.00 in³ 19,000,000 mm³
Zy 226.00 in³ 3,700,000 mm³
rx 14.40 in 366.00 mm
ry 3.68 in 93.50 mm
J 65.10 in⁴ 27,100,000 mm⁴
Cw 319,000.00 in⁶ 85,700,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W33x291.

Browse W33 series →

Lighter in W33

W33x263

Weight
263.0 lb/ft (-9.6%)
Depth
34.50 in (-0.9%)
Ix
15,900.0 in⁴ (-10%)

Heavier in W33

W33x318

Weight
318.0 lb/ft (+9.3%)
Depth
35.20 in (+1.1%)
Ix
19,500.0 in⁴ (+10%)

Closest Iₓ in W33

W33x241

Weight
241.0 lb/ft (-17%)
Depth
34.20 in (-1.7%)
Ix
14,200.0 in⁴ (-20%)

Similar weight in W30

W30x292

Weight
292.0 lb/ft (+0.3%)
Depth
32.00 in (-8.0%)
Ix
14,900.0 in⁴ (-16%)
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Source: AISC Shapes Database v16.0 · Methodology