Steel Beam Sizes / CISC / WT Tees / WT420×179.5
WT420×179.5 Steel Beam Dimensions and Properties
CISC Structural tees · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT420×179.5 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 | 120.50 lb/ft | 179.50 kg/m |
| Depth, d | 17.09 in | 434.00 mm |
| Flange width, bf | 15.87 in | 403.00 mm |
| tw | 0.831 in | 21.100 mm |
| tf | 1.402 in | 35.600 mm |
| Area | 35.50 in² | 22,900.00 mm² |
| Ix | 872.11 in⁴ | 363,000,000 mm⁴ |
| Iy | 468.49 in⁴ | 195,000,000 mm⁴ |
| Sx | 65.91 in³ | 1,080,000 mm³ |
| Sy | 58.89 in³ | 965,000.00 mm³ |
| rx | 4.96 in | 126.00 mm |
| ry | 3.63 in | 92.10 mm |
| J | 18.09 in⁴ | 7,530,000 mm⁴ |
| Cw | 146.35 in⁶ | 39,300,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT420×179.5.
Lighter in WT420
WT420×164.5
- Weight
- 164.5 kg/m (-8.3%)
- Depth
- 431.0 mm (-0.7%)
- Ix
- 333,000,000 mm⁴ (-8.3%)
Closest Iₓ in WT420
WT420×149.5
- Weight
- 149.5 kg/m (-17%)
- Depth
- 428.0 mm (-1.4%)
- Ix
- 303,000,000 mm⁴ (-17%)
Similar weight in WT460
WT460×184
- Weight
- 184.0 kg/m (+2.5%)
- Depth
- 466.0 mm (+7.4%)
- Ix
- 434,000,000 mm⁴ (+20%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology