Steel Beam Sizes / AISC / W-Shapes / W21 / W21x201

W21x201 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

W21x201 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 201.00 lb/ft 300.00 kg/m
Depth, d 23.00 in 584.00 mm
Flange width, bf 12.60 in 320.00 mm
tw 0.910 in 23.100 mm
tf 1.630 in 41.400 mm
Area 59.30 in² 38,300.00 mm²
Ix 5,310.00 in⁴ 2,210,000,000 mm⁴
Iy 542.00 in⁴ 226,000,000 mm⁴
Sx 461.00 in³ 7,550,000 mm³
Sy 86.10 in³ 1,410,000 mm³
Zx 530.00 in³ 8,690,000 mm³
Zy 133.00 in³ 2,180,000 mm³
rx 9.47 in 241.00 mm
ry 3.02 in 76.70 mm
J 40.90 in⁴ 17,000,000 mm⁴
Cw 62,000.00 in⁶ 16,600,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W21x201.

Browse W21 series →

Lighter in W21

W21x182

Weight
182.0 lb/ft (-9.5%)
Depth
22.70 in (-1.3%)
Ix
4,730.0 in⁴ (-11%)

Heavier in W21

W21x223

Weight
223.0 lb/ft (+11%)
Depth
23.40 in (+1.7%)
Ix
6,080.0 in⁴ (+15%)

Closest Iₓ in W21

W21x166

Weight
166.0 lb/ft (-17%)
Depth
22.50 in (-2.2%)
Ix
4,280.0 in⁴ (-19%)

Similar weight in W24

W24x207

Weight
207.0 lb/ft (+3.0%)
Depth
25.70 in (+12%)
Ix
6,820.0 in⁴ (+28%)
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Source: AISC Shapes Database v16.0 · Methodology