Steel Beam Sizes / AISC / WT Tees / WT12x42
WT12x42 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT12x42: 12.1 in depth, 9.02 in flange width, 42 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT12x42 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 | 42.00 lb/ft | 62.50 kg/m |
| Depth, d | 12.10 in | 307.00 mm |
| Flange width, bf | 9.02 in | 229.00 mm |
| tw | 0.470 in | 11.900 mm |
| tf | 0.770 in | 19.600 mm |
| Area | 12.40 in² | 8,000.00 mm² |
| Ix | 166.00 in⁴ | 69,100,000 mm⁴ |
| Iy | 47.20 in⁴ | 19,600,000 mm⁴ |
| Sx | 18.30 in³ | 300,000.00 mm³ |
| Sy | 10.50 in³ | 172,000.00 mm³ |
| Zx | 32.50 in³ | 533,000.00 mm³ |
| Zy | 16.30 in³ | 267,000.00 mm³ |
| rx | 3.67 in | 93.20 mm |
| ry | 1.95 in | 49.50 mm |
| J | 1.84 in⁴ | 766,000.00 mm⁴ |
| Cw | 6.90 in⁶ | 1,850,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT12x42.
Lighter in WT12
WT12x38
- Weight
- 38.0 lb/ft (-9.5%)
- Depth
- 12.00 in (-0.8%)
- Ix
- 151.0 in⁴ (-9.0%)
Heavier in WT12
WT12x47
- Weight
- 47.0 lb/ft (+12%)
- Depth
- 12.20 in (+0.8%)
- Ix
- 186.0 in⁴ (+12%)
Another Iₓ option in WT12
WT12x52
- Weight
- 52.0 lb/ft (+24%)
- Depth
- 12.00 in (-0.8%)
- Ix
- 189.0 in⁴ (+14%)
Similar weight in WT13
WT13.5x42
- Weight
- 42.0 lb/ft (0.0%)
- Depth
- 13.40 in (+11%)
- Ix
- 216.0 in⁴ (+30%)
Source: AISC Shapes Database v16.0 · Methodology