Steel Beam Sizes / CISC / W-Shapes / W920×521

W920×521 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

W920×521 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 350.00 lb/ft 521.00 kg/m
Depth, d 38.62 in 981.00 mm
Flange width, bf 12.56 in 319.00 mm
tw 1.299 in 33.000 mm
tf 2.319 in 58.900 mm
Area 102.92 in² 66,400.00 mm²
Ix 23,592.64 in⁴ 9,820,000,000 mm⁴
Iy 771.21 in⁴ 321,000,000 mm⁴
Sx 1,220.47 in³ 20,000,000 mm³
Sy 122.66 in³ 2,010,000 mm³
Zx 1,440.16 in³ 23,600,000 mm³
Zy 197.72 in³ 3,240,000 mm³
rx 15.16 in 385.00 mm
ry 2.74 in 69.60 mm
J 128.29 in⁴ 53,400,000 mm⁴
Cw 254,342.19 in⁶ 68,300,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W920×521.

Lighter in W920

W920×491

Weight
491.0 kg/m (-5.7%)
Depth
957.0 mm (-2.4%)
Ix
9,660,000,000 mm⁴ (-1.6%)

Heavier in W920

W920×537

Weight
537.0 kg/m (+3.1%)
Depth
965.0 mm (-1.6%)
Ix
10,700,000,000 mm⁴ (+9.0%)

Closest Iₓ in W920

W920×474

Weight
474.0 kg/m (-9.1%)
Depth
971.0 mm (-1.0%)
Ix
8,860,000,000 mm⁴ (-9.8%)

Similar weight in W840

W840×527

Weight
527.0 kg/m (+1.1%)
Depth
903.0 mm (-8.0%)
Ix
9,150,000,000 mm⁴ (-6.8%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology