Steel Beam Sizes / AISC / W-Shapes / W40 / W40x372

W40x372 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

W40x372 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 372.00 lb/ft 554.00 kg/m
Depth, d 40.60 in 1,030.00 mm
Flange width, bf 16.10 in 409.00 mm
tw 1.160 in 29.500 mm
tf 2.050 in 52.100 mm
Area 110.00 in² 71,000.00 mm²
Ix 29,600.00 in⁴ 12,300,000,000 mm⁴
Iy 1,420.00 in⁴ 591,000,000 mm⁴
Sx 1,460.00 in³ 23,900,000 mm³
Sy 177.00 in³ 2,900,000 mm³
Zx 1,680.00 in³ 27,500,000 mm³
Zy 277.00 in³ 4,540,000 mm³
rx 16.50 in 419.00 mm
ry 3.60 in 91.40 mm
J 116.00 in⁴ 48,300,000 mm⁴
Cw 528,000.00 in⁶ 142,000,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W40x372.

Browse W40 series →

Lighter in W40

W40x362

Weight
362.0 lb/ft (-2.7%)
Depth
40.60 in (0.0%)
Ix
28,900.0 in⁴ (-2.4%)

Heavier in W40

W40x392

Weight
392.0 lb/ft (+5.4%)
Depth
41.60 in (+2.5%)
Ix
29,900.0 in⁴ (+1.0%)

Closest Iₓ in W40

W40x397

Weight
397.0 lb/ft (+6.7%)
Depth
41.00 in (+1.0%)
Ix
32,000.0 in⁴ (+8.1%)

Similar weight in W44

W44x368

Weight
368.0 lb/ft (-1.1%)
Depth
44.40 in (+9.4%)
Ix
34,700.0 in⁴ (+17%)
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Source: AISC Shapes Database v16.0 · Methodology