Steel Beam Sizes / AISC / WT Tees / WT12x139.5
WT12x139.5 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT12x139.5: 13.4 in depth, 13.3 in flange width, 139.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT12x139.5 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 | 139.50 lb/ft | 208.00 kg/m |
| Depth, d | 13.40 in | 340.00 mm |
| Flange width, bf | 13.30 in | 338.00 mm |
| tw | 1.160 in | 29.500 mm |
| tf | 2.090 in | 53.100 mm |
| Area | 41.00 in² | 26,500.00 mm² |
| Ix | 546.00 in⁴ | 227,000,000 mm⁴ |
| Iy | 412.00 in⁴ | 171,000,000 mm⁴ |
| Sx | 53.60 in³ | 878,000.00 mm³ |
| Sy | 61.90 in³ | 1,010,000 mm³ |
| Zx | 98.80 in³ | 1,620,000 mm³ |
| Zy | 96.30 in³ | 1,580,000 mm³ |
| rx | 3.65 in | 92.70 mm |
| ry | 3.17 in | 80.50 mm |
| J | 45.10 in⁴ | 18,800,000 mm⁴ |
| Cw | 230.00 in⁶ | 61,800,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT12x139.5.
Lighter in WT12
WT12x125
- Weight
- 125.0 lb/ft (-10%)
- Depth
- 13.20 in (-1.5%)
- Ix
- 478.0 in⁴ (-12%)
Heavier in WT12
WT12x153
- Weight
- 153.0 lb/ft (+9.7%)
- Depth
- 13.60 in (+1.5%)
- Ix
- 611.0 in⁴ (+12%)
Another Iₓ option in WT12
WT12x114.5
- Weight
- 114.5 lb/ft (-18%)
- Depth
- 13.00 in (-3.0%)
- Ix
- 431.0 in⁴ (-21%)
Similar weight in WT13
WT13.5x140.5
- Weight
- 140.5 lb/ft (+0.7%)
- Depth
- 14.60 in (+9.0%)
- Ix
- 677.0 in⁴ (+24%)
Source: AISC Shapes Database v16.0 · Methodology