Steel Beam Sizes / AISC / WT Tees / WT4x12
WT4x12 Steel Beam Dimensions and Properties
AISC Structural tees · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ 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