Steel Beam Sizes / CISC / W-Shapes / W310×342
W310×342 Dimensions, Weight and Section Properties
CISC Wide flange · v12.1
W310×342: 382 mm depth, 328 mm flange width, 342 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W310×342 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 | 230.00 lb/ft | 342.00 kg/m |
| Depth, d | 15.04 in | 382.00 mm |
| Flange width, bf | 12.91 in | 328.00 mm |
| tw | 1.283 in | 32.600 mm |
| tf | 2.071 in | 52.600 mm |
| Area | 67.74 in² | 43,700.00 mm² |
| Ix | 2,426.53 in⁴ | 1,010,000,000 mm⁴ |
| Iy | 744.78 in⁴ | 310,000,000 mm⁴ |
| Sx | 320.98 in³ | 5,260,000 mm³ |
| Sy | 115.33 in³ | 1,890,000 mm³ |
| Zx | 386.28 in³ | 6,330,000 mm³ |
| Zy | 177.58 in³ | 2,910,000 mm³ |
| rx | 5.98 in | 152.00 mm |
| ry | 3.31 in | 84.20 mm |
| J | 83.85 in⁴ | 34,900,000 mm⁴ |
| Cw | 31,355.22 in⁶ | 8,420,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W310×342.
Lighter in W310
W310×313
- Weight
- 313.0 kg/m (-8.7%)
- Depth
- 374.0 mm (-2.1%)
- Ix
- 896,000,000 mm⁴ (-11%)
Heavier in W310
W310×375
- Weight
- 375.0 kg/m (+9.6%)
- Depth
- 391.0 mm (+2.4%)
- Ix
- 1,130,000,000 mm⁴ (+12%)
Another Iₓ option in W310
W310×283
- Weight
- 283.0 kg/m (-17%)
- Depth
- 365.0 mm (-4.5%)
- Ix
- 787,000,000 mm⁴ (-22%)
Similar weight in W360
W360×347
- Weight
- 347.0 kg/m (+1.3%)
- Depth
- 407.0 mm (+6.5%)
- Ix
- 1,250,000,000 mm⁴ (+24%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology