Steel Beam Sizes / AISC / WT Tees / WT12x51.5
WT12x51.5 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT12x51.5: 12.3 in depth, 9 in flange width, 51.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT12x51.5 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 | 51.50 lb/ft | 76.50 kg/m |
| Depth, d | 12.30 in | 312.00 mm |
| Flange width, bf | 9.00 in | 229.00 mm |
| tw | 0.550 in | 14.000 mm |
| tf | 0.980 in | 24.900 mm |
| Area | 15.10 in² | 9,740.00 mm² |
| Ix | 204.00 in⁴ | 84,900,000 mm⁴ |
| Iy | 59.70 in⁴ | 24,800,000 mm⁴ |
| Sx | 22.00 in³ | 361,000.00 mm³ |
| Sy | 13.30 in³ | 218,000.00 mm³ |
| Zx | 39.20 in³ | 642,000.00 mm³ |
| Zy | 20.70 in³ | 339,000.00 mm³ |
| rx | 3.67 in | 93.20 mm |
| ry | 1.99 in | 50.50 mm |
| J | 3.53 in⁴ | 1,470,000 mm⁴ |
| Cw | 12.30 in⁶ | 3,300,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT12x51.5.
Lighter in WT12
WT12x47
- Weight
- 47.0 lb/ft (-8.7%)
- Depth
- 12.20 in (-0.8%)
- Ix
- 186.0 in⁴ (-8.8%)
Heavier in WT12
WT12x52
- Weight
- 52.0 lb/ft (+1.0%)
- Depth
- 12.00 in (-2.4%)
- Ix
- 189.0 in⁴ (-7.4%)
Another Iₓ option in WT12
WT12x58.5
- Weight
- 58.5 lb/ft (+14%)
- Depth
- 12.10 in (-1.6%)
- Ix
- 212.0 in⁴ (+3.9%)
Similar weight in WT13
WT13.5x51
- Weight
- 51.0 lb/ft (-1.0%)
- Depth
- 13.50 in (+9.8%)
- Ix
- 258.0 in⁴ (+26%)
Source: AISC Shapes Database v16.0 · Methodology