Steel Beam Sizes / AISC / W-Shapes / W40 / W40x392

W40x392 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

W40x392 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 392.00 lb/ft 584.00 kg/m
Depth, d 41.60 in 1,060.00 mm
Flange width, bf 12.40 in 315.00 mm
tw 1.420 in 36.100 mm
tf 2.520 in 64.000 mm
Area 116.00 in² 74,800.00 mm²
Ix 29,900.00 in⁴ 12,400,000,000 mm⁴
Iy 803.00 in⁴ 334,000,000 mm⁴
Sx 1,440.00 in³ 23,600,000 mm³
Sy 130.00 in³ 2,130,000 mm³
Zx 1,710.00 in³ 28,000,000 mm³
Zy 212.00 in³ 3,470,000 mm³
rx 16.10 in 409.00 mm
ry 2.64 in 67.10 mm
J 172.00 in⁴ 71,600,000 mm⁴
Cw 306,000.00 in⁶ 82,200,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W40x392.

Browse W40 series →

Lighter in W40

W40x372

Weight
372.0 lb/ft (-5.1%)
Depth
40.60 in (-2.4%)
Ix
29,600.0 in⁴ (-1.0%)

Heavier in W40

W40x397

Weight
397.0 lb/ft (+1.3%)
Depth
41.00 in (-1.4%)
Ix
32,000.0 in⁴ (+7.0%)

Closest Iₓ in W40

W40x362

Weight
362.0 lb/ft (-7.7%)
Depth
40.60 in (-2.4%)
Ix
28,900.0 in⁴ (-3.3%)

Similar weight in W36

W36x395

Weight
395.0 lb/ft (+0.8%)
Depth
38.40 in (-7.7%)
Ix
28,500.0 in⁴ (-4.7%)
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Source: AISC Shapes Database v16.0 · Methodology