Steel Beam Sizes / AISC / W-Shapes / W40 / W40x503

W40x503 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

W40x503 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 503.00 lb/ft 748.00 kg/m
Depth, d 42.10 in 1,070.00 mm
Flange width, bf 16.40 in 417.00 mm
tw 1.540 in 39.100 mm
tf 2.760 in 70.100 mm
Area 148.00 in² 95,500.00 mm²
Ix 41,600.00 in⁴ 17,300,000,000 mm⁴
Iy 2,040.00 in⁴ 849,000,000 mm⁴
Sx 1,980.00 in³ 32,400,000 mm³
Sy 249.00 in³ 4,080,000 mm³
Zx 2,320.00 in³ 38,000,000 mm³
Zy 394.00 in³ 6,460,000 mm³
rx 16.80 in 427.00 mm
ry 3.72 in 94.50 mm
J 277.00 in⁴ 115,000,000 mm⁴
Cw 789,000.00 in⁶ 212,000,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W40x503.

Browse W40 series →

Lighter in W40

W40x431

Weight
431.0 lb/ft (-14%)
Depth
41.30 in (-1.9%)
Ix
34,800.0 in⁴ (-16%)

Heavier in W40

W40x593

Weight
593.0 lb/ft (+18%)
Depth
43.00 in (+2.1%)
Ix
50,400.0 in⁴ (+21%)

Closest Iₓ in W40

W40x397

Weight
397.0 lb/ft (-21%)
Depth
41.00 in (-2.6%)
Ix
32,000.0 in⁴ (-23%)

Similar weight in W36

W36x487

Weight
487.0 lb/ft (-3.2%)
Depth
39.30 in (-6.7%)
Ix
36,000.0 in⁴ (-13%)
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Source: AISC Shapes Database v16.0 · Methodology