Steel Beam Sizes / CISC / W-Shapes / W1100×343
W1100×343 Steel Beam Dimensions and Properties
CISC Wide flange · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
W1100×343 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 | 343.00 kg/m |
| Depth, d | 42.91 in | 1,090.00 mm |
| Flange width, bf | 15.75 in | 400.00 mm |
| tw | 0.709 in | 18.000 mm |
| tf | 1.220 in | 31.000 mm |
| Area | 67.58 in² | 43,600.00 mm² |
| Ix | 20,829.76 in⁴ | 8,670,000,000 mm⁴ |
| Iy | 795.23 in⁴ | 331,000,000 mm⁴ |
| Sx | 970.28 in³ | 15,900,000 mm³ |
| Sy | 101.30 in³ | 1,660,000 mm³ |
| Zx | 1,104.53 in³ | 18,100,000 mm³ |
| Zy | 156.83 in³ | 2,570,000 mm³ |
| rx | 17.56 in | 446.00 mm |
| ry | 3.43 in | 87.10 mm |
| J | 24.75 in⁴ | 10,300,000 mm⁴ |
| Cw | 345,950.06 in⁶ | 92,900,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W1100×343.
Heavier in W1100
W1100×390
- Weight
- 390.0 kg/m (+14%)
- Depth
- 1,100.0 mm (+0.9%)
- Ix
- 10,100,000,000 mm⁴ (+16%)
Closest Iₓ in W1100
W1100×433
- Weight
- 433.0 kg/m (+26%)
- Depth
- 1,108.0 mm (+1.7%)
- Ix
- 11,300,000,000 mm⁴ (+30%)
Similar weight in W1000
W1000×350
- Weight
- 350.0 kg/m (+2.2%)
- Depth
- 1,008.0 mm (-7.5%)
- Ix
- 7,230,000,000 mm⁴ (-17%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology