Steel Beam Sizes / AISC / W-Shapes / W14 / W14x398
W14x398 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W14x398: 18.3 in depth, 16.6 in flange width, 398 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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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
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W14x398.
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%)
Another Iₓ option 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%)
Source: AISC Shapes Database v16.0 · Methodology