Steel Beam Sizes / AISC / WT Tees / WT4x12
WT4x12 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT4x12: 3.97 in depth, 6.5 in flange width, 12 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT4x12 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 | 12.00 lb/ft | 18.00 kg/m |
| Depth, d | 3.97 in | 101.00 mm |
| Flange width, bf | 6.50 in | 165.00 mm |
| tw | 0.245 in | 6.220 mm |
| tf | 0.400 in | 10.200 mm |
| Area | 3.54 in² | 2,280.00 mm² |
| Ix | 3.53 in⁴ | 1,470,000 mm⁴ |
| Iy | 9.14 in⁴ | 3,800,000 mm⁴ |
| Sx | 1.08 in³ | 17,700.00 mm³ |
| Sy | 2.81 in³ | 46,000.00 mm³ |
| Zx | 1.98 in³ | 32,400.00 mm³ |
| Zy | 4.28 in³ | 70,100.00 mm³ |
| rx | 1.00 in | 25.40 mm |
| ry | 1.61 in | 40.90 mm |
| J | 0.17 in⁴ | 72,000.00 mm⁴ |
| Cw | 0.14 in⁶ | 38,700,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT4x12.
Lighter in WT4
WT4x10.5
- Weight
- 10.5 lb/ft (-13%)
- Depth
- 4.14 in (+4.3%)
- Ix
- 3.9 in⁴ (+10%)
Heavier in WT4
WT4x14
- Weight
- 14.0 lb/ft (+17%)
- Depth
- 4.03 in (+1.5%)
- Ix
- 4.2 in⁴ (+20%)
Another Iₓ option in WT4
WT4x9
- Weight
- 9.0 lb/ft (-25%)
- Depth
- 4.07 in (+2.5%)
- Ix
- 3.4 in⁴ (-3.4%)
Similar weight in WT3
WT3x12.5
- Weight
- 12.5 lb/ft (+4.2%)
- Depth
- 3.19 in (-20%)
- Ix
- 2.3 in⁴ (-35%)
Source: AISC Shapes Database v16.0 · Methodology