Steel Beam Sizes / CISC / WT Tees / WT205×66
WT205×66 Steel Beam Dimensions and Properties
CISC Structural tees · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT205×66 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 | 44.50 lb/ft | 66.00 kg/m |
| Depth, d | 8.39 in | 213.00 mm |
| Flange width, bf | 10.35 in | 263.00 mm |
| tw | 0.524 in | 13.300 mm |
| tf | 0.874 in | 22.200 mm |
| Area | 13.05 in² | 8,420.00 mm² |
| Ix | 67.27 in⁴ | 28,000,000 mm⁴ |
| Iy | 80.96 in⁴ | 33,700,000 mm⁴ |
| Sx | 10.07 in³ | 165,000.00 mm³ |
| Sy | 15.62 in³ | 256,000.00 mm³ |
| rx | 2.27 in | 57.70 mm |
| ry | 2.49 in | 63.30 mm |
| J | 2.69 in⁴ | 1,120,000 mm⁴ |
| Cw | 7.15 in⁶ | 1,920,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT205×66.
Lighter in WT205
WT205×57
- Weight
- 57.0 kg/m (-13%)
- Depth
- 210.0 mm (-1.4%)
- Ix
- 23,800,000 mm⁴ (-15%)
Heavier in WT205
WT205×74.5
- Weight
- 74.5 kg/m (+12%)
- Depth
- 216.0 mm (+1.4%)
- Ix
- 32,200,000 mm⁴ (+15%)
Closest Iₓ in WT205
WT205×42.5
- Weight
- 42.5 kg/m (-36%)
- Depth
- 209.0 mm (-1.9%)
- Ix
- 20,400,000 mm⁴ (-27%)
Similar weight in WT180
WT180×67
- Weight
- 67.0 kg/m (+1.1%)
- Depth
- 178.0 mm (-16%)
- Ix
- 15,200,000 mm⁴ (-46%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology