Steel Beam Sizes / CISC / WT Tees / WT155×79
WT155×79 Steel Beam Dimensions and Properties
CISC Structural tees · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT155×79 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 | 53.00 lb/ft | 79.00 kg/m |
| Depth, d | 6.46 in | 164.00 mm |
| Flange width, bf | 12.20 in | 310.00 mm |
| tw | 0.610 in | 15.500 mm |
| tf | 0.988 in | 25.100 mm |
| Area | 15.50 in² | 10,000.00 mm² |
| Ix | 36.52 in⁴ | 15,200,000 mm⁴ |
| Iy | 149.92 in⁴ | 62,400,000 mm⁴ |
| Sx | 6.96 in³ | 114,000.00 mm³ |
| Sy | 24.53 in³ | 402,000.00 mm³ |
| rx | 1.53 in | 38.90 mm |
| ry | 3.11 in | 78.90 mm |
| J | 4.52 in⁴ | 1,880,000 mm⁴ |
| Cw | 13.52 in⁶ | 3,630,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT155×79.
Lighter in WT155
WT155×71.5
- Weight
- 71.5 kg/m (-9.4%)
- Depth
- 162.0 mm (-1.2%)
- Ix
- 13,500,000 mm⁴ (-11%)
Heavier in WT155
WT155×89.5
- Weight
- 89.5 kg/m (+13%)
- Depth
- 167.0 mm (+1.8%)
- Ix
- 18,200,000 mm⁴ (+20%)
Closest Iₓ in WT155
WT155×64.5
- Weight
- 64.5 kg/m (-18%)
- Depth
- 159.0 mm (-3.0%)
- Ix
- 12,000,000 mm⁴ (-21%)
Similar weight in WT180
WT180×81
- Weight
- 81.0 kg/m (+2.8%)
- Depth
- 182.0 mm (+11%)
- Ix
- 18,800,000 mm⁴ (+24%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology