Steel Beam Sizes / AISC / W-Shapes / W21 / W21x44

W21x44 Steel Beam Dimensions and Properties

AISC Wide flange · v16.0

Analyze in Beam Calculator Back to W-Shapes All W21

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

Units

Section diagram

W21x44 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 44.00 lb/ft 66.00 kg/m
Depth, d 20.70 in 526.00 mm
Flange width, bf 6.50 in 165.00 mm
tw 0.350 in 8.890 mm
tf 0.450 in 11.400 mm
Area 13.00 in² 8,390.00 mm²
Ix 843.00 in⁴ 351,000,000 mm⁴
Iy 20.70 in⁴ 8,620,000 mm⁴
Sx 81.60 in³ 1,340,000 mm³
Sy 6.37 in³ 104,000.00 mm³
Zx 95.40 in³ 1,560,000 mm³
Zy 10.20 in³ 167,000.00 mm³
rx 8.06 in 205.00 mm
ry 1.26 in 32.00 mm
J 0.77 in⁴ 320,000.00 mm⁴
Cw 2,110.00 in⁶ 567,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W21x44.

Browse W21 series →

Heavier in W21

W21x48

Weight
48.0 lb/ft (+9.1%)
Depth
20.60 in (-0.5%)
Ix
959.0 in⁴ (+14%)

Closest Iₓ in W21

W21x50

Weight
50.0 lb/ft (+14%)
Depth
20.80 in (+0.5%)
Ix
984.0 in⁴ (+17%)

Similar weight in W18

W18x46

Weight
46.0 lb/ft (+4.5%)
Depth
18.10 in (-13%)
Ix
712.0 in⁴ (-16%)
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Source: AISC Shapes Database v16.0 · Methodology