Steel Beam Sizes / AISC / W-Shapes / W40 / W40x249

W40x249 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

W40x249 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 249.00 lb/ft 371.00 kg/m
Depth, d 39.40 in 1,000.00 mm
Flange width, bf 15.80 in 401.00 mm
tw 0.750 in 19.100 mm
tf 1.420 in 36.100 mm
Area 73.50 in² 47,400.00 mm²
Ix 19,600.00 in⁴ 8,160,000,000 mm⁴
Iy 926.00 in⁴ 385,000,000 mm⁴
Sx 993.00 in³ 16,300,000 mm³
Sy 118.00 in³ 1,930,000 mm³
Zx 1,120.00 in³ 18,400,000 mm³
Zy 182.00 in³ 2,980,000 mm³
rx 16.30 in 414.00 mm
ry 3.55 in 90.20 mm
J 38.10 in⁴ 15,900,000 mm⁴
Cw 334,000.00 in⁶ 89,700,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W40x249.

Browse W40 series →

Lighter in W40

W40x235

Weight
235.0 lb/ft (-5.6%)
Depth
39.70 in (+0.8%)
Ix
17,400.0 in⁴ (-11%)

Heavier in W40

W40x264

Weight
264.0 lb/ft (+6.0%)
Depth
40.00 in (+1.5%)
Ix
19,400.0 in⁴ (-1.0%)

Closest Iₓ in W40

W40x278

Weight
278.0 lb/ft (+12%)
Depth
40.20 in (+2.0%)
Ix
20,500.0 in⁴ (+4.6%)

Similar weight in W36

W36x247

Weight
247.0 lb/ft (-0.8%)
Depth
36.70 in (-6.9%)
Ix
16,700.0 in⁴ (-15%)
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Source: AISC Shapes Database v16.0 · Methodology