Steel Beam Sizes / AISC / W-Shapes / W14 / W14x398

W14x398 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

W14x398 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 398.00 lb/ft 592.00 kg/m
Depth, d 18.30 in 465.00 mm
Flange width, bf 16.60 in 422.00 mm
tw 1.770 in 45.000 mm
tf 2.850 in 72.400 mm
Area 117.00 in² 75,500.00 mm²
Ix 6,000.00 in⁴ 2,500,000,000 mm⁴
Iy 2,170.00 in⁴ 903,000,000 mm⁴
Sx 656.00 in³ 10,700,000 mm³
Sy 262.00 in³ 4,290,000 mm³
Zx 801.00 in³ 13,100,000 mm³
Zy 402.00 in³ 6,590,000 mm³
rx 7.16 in 182.00 mm
ry 4.31 in 109.00 mm
J 273.00 in⁴ 114,000,000 mm⁴
Cw 129,000.00 in⁶ 34,600,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W14x398.

Browse W14 series →

Lighter in W14

W14x370

Weight
370.0 lb/ft (-7.0%)
Depth
17.90 in (-2.2%)
Ix
5,440.0 in⁴ (-9.3%)

Heavier in W14

W14x426

Weight
426.0 lb/ft (+7.0%)
Depth
18.70 in (+2.2%)
Ix
6,600.0 in⁴ (+10%)

Closest Iₓ in W14

W14x342

Weight
342.0 lb/ft (-14%)
Depth
17.50 in (-4.4%)
Ix
4,900.0 in⁴ (-18%)

Similar weight in W12

W12x336

Weight
336.0 lb/ft (-16%)
Depth
16.80 in (-8.2%)
Ix
4,060.0 in⁴ (-32%)
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Source: AISC Shapes Database v16.0 · Methodology