Steel Beam Sizes / AISC / W-Shapes / W21 / W21x182

W21x182 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

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

Units

Section diagram

W21x182 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 182.00 lb/ft 272.00 kg/m
Depth, d 22.70 in 577.00 mm
Flange width, bf 12.50 in 318.00 mm
tw 0.830 in 21.100 mm
tf 1.480 in 37.600 mm
Area 53.60 in² 34,600.00 mm²
Ix 4,730.00 in⁴ 1,970,000,000 mm⁴
Iy 483.00 in⁴ 201,000,000 mm⁴
Sx 417.00 in³ 6,830,000 mm³
Sy 77.20 in³ 1,270,000 mm³
Zx 476.00 in³ 7,800,000 mm³
Zy 119.00 in³ 1,950,000 mm³
rx 9.40 in 239.00 mm
ry 3.00 in 76.20 mm
J 30.70 in⁴ 12,800,000 mm⁴
Cw 54,400.00 in⁶ 14,600,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W21x182.

Browse W21 series →

Lighter in W21

W21x166

Weight
166.0 lb/ft (-8.8%)
Depth
22.50 in (-0.9%)
Ix
4,280.0 in⁴ (-9.5%)

Heavier in W21

W21x201

Weight
201.0 lb/ft (+10%)
Depth
23.00 in (+1.3%)
Ix
5,310.0 in⁴ (+12%)

Closest Iₓ in W21

W21x147

Weight
147.0 lb/ft (-19%)
Depth
22.10 in (-2.6%)
Ix
3,630.0 in⁴ (-23%)

Similar weight in W24

W24x176

Weight
176.0 lb/ft (-3.3%)
Depth
25.20 in (+11%)
Ix
5,680.0 in⁴ (+20%)
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Source: AISC Shapes Database v16.0 · Methodology