Steel Beam Sizes / CISC / W-Shapes / W250×18
W250×18 Dimensions, Weight and Section Properties
CISC Wide flange · v12.1
W250×18: 251 mm depth, 101 mm flange width, 18 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W250×18 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 | 12.00 lb/ft | 18.00 kg/m |
| Depth, d | 9.88 in | 251.00 mm |
| Flange width, bf | 3.98 in | 101.00 mm |
| tw | 0.189 in | 4.800 mm |
| tf | 0.209 in | 5.300 mm |
| Area | 3.52 in² | 2,270.00 mm² |
| Ix | 53.82 in⁴ | 22,400,000 mm⁴ |
| Iy | 2.19 in⁴ | 913,000.00 mm⁴ |
| Sx | 10.92 in³ | 179,000.00 mm³ |
| Sy | 1.10 in³ | 18,100.00 mm³ |
| Zx | 12.63 in³ | 207,000.00 mm³ |
| Zy | 1.75 in³ | 28,600.00 mm³ |
| rx | 3.91 in | 99.30 mm |
| ry | 0.79 in | 20.00 mm |
| J | 0.05 in⁴ | 22,400.00 mm⁴ |
| Cw | 51.39 in⁶ | 13,800,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W250×18.
Heavier in W250
W250×22
- Weight
- 22.0 kg/m (+25%)
- Depth
- 254.0 mm (+1.2%)
- Ix
- 28,900,000 mm⁴ (+29%)
Another Iₓ option in W250
W250×25
- Weight
- 25.0 kg/m (+42%)
- Depth
- 257.0 mm (+2.4%)
- Ix
- 34,200,000 mm⁴ (+53%)
Similar weight in W200
W200×19
- Weight
- 19.0 kg/m (+8.3%)
- Depth
- 203.0 mm (-19%)
- Ix
- 16,600,000 mm⁴ (-26%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology