Steel Beam Sizes / CISC / W-Shapes / W200×31
W200×31 Dimensions, Weight and Section Properties
CISC Wide flange · v12.1
W200×31: 210 mm depth, 134 mm flange width, 31 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W200×31 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 | 21.00 lb/ft | 31.00 kg/m |
| Depth, d | 8.27 in | 210.00 mm |
| Flange width, bf | 5.28 in | 134.00 mm |
| tw | 0.252 in | 6.400 mm |
| tf | 0.402 in | 10.200 mm |
| Area | 6.20 in² | 4,000.00 mm² |
| Ix | 75.44 in⁴ | 31,400,000 mm⁴ |
| Iy | 9.85 in⁴ | 4,100,000 mm⁴ |
| Sx | 18.25 in³ | 299,000.00 mm³ |
| Sy | 3.73 in³ | 61,100.00 mm³ |
| Zx | 20.44 in³ | 335,000.00 mm³ |
| Zy | 5.72 in³ | 93,800.00 mm³ |
| rx | 3.49 in | 88.60 mm |
| ry | 1.26 in | 32.00 mm |
| J | 0.29 in⁴ | 119,000.00 mm⁴ |
| Cw | 152.31 in⁶ | 40,900,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W200×31.
Lighter in W200
W200×27
- Weight
- 27.0 kg/m (-14%)
- Depth
- 207.0 mm (-1.4%)
- Ix
- 25,800,000 mm⁴ (-18%)
Heavier in W200
W200×36
- Weight
- 36.0 kg/m (+14%)
- Depth
- 201.0 mm (-4.3%)
- Ix
- 34,400,000 mm⁴ (+9.6%)
Another Iₓ option in W200
W200×42
- Weight
- 42.0 kg/m (+33%)
- Depth
- 205.0 mm (-2.4%)
- Ix
- 40,900,000 mm⁴ (+30%)
Similar weight in W250
W250×33
- Weight
- 33.0 kg/m (+4.8%)
- Depth
- 258.0 mm (+23%)
- Ix
- 48,900,000 mm⁴ (+56%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology