Steel Beam Sizes / AISC / WT Tees / WT3x7.5
WT3x7.5 Steel Beam Dimensions and Properties
AISC Structural tees · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
WT3x7.5 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 | 7.50 lb/ft | 11.30 kg/m |
| Depth, d | 3.00 in | 76.20 mm |
| Flange width, bf | 5.99 in | 152.00 mm |
| tw | 0.230 in | 5.840 mm |
| tf | 0.260 in | 6.600 mm |
| Area | 2.21 in² | 1,430.00 mm² |
| Ix | 1.41 in⁴ | 587,000.00 mm⁴ |
| Iy | 4.66 in⁴ | 1,940,000 mm⁴ |
| Sx | 0.58 in³ | 9,460.00 mm³ |
| Sy | 1.56 in³ | 25,600.00 mm³ |
| Zx | 1.03 in³ | 16,900.00 mm³ |
| Zy | 2.37 in³ | 38,800.00 mm³ |
| rx | 0.80 in | 20.20 mm |
| ry | 1.45 in | 36.80 mm |
| J | 0.05 in⁴ | 21,000.00 mm⁴ |
| Cw | 0.03 in⁶ | 9,180,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT3x7.5.
Lighter in WT3
WT3x6
- Weight
- 6.0 lb/ft (-20%)
- Depth
- 3.02 in (+0.7%)
- Ix
- 1.3 in⁴ (-6.4%)
Heavier in WT3
WT3x8
- Weight
- 8.0 lb/ft (+6.7%)
- Depth
- 3.14 in (+4.7%)
- Ix
- 1.7 in⁴ (+20%)
Closest Iₓ in WT3
WT3x10
- Weight
- 10.0 lb/ft (+33%)
- Depth
- 3.10 in (+3.3%)
- Ix
- 1.8 in⁴ (+25%)
Similar weight in WT4
WT4x7.5
- Weight
- 7.5 lb/ft (0.0%)
- Depth
- 4.06 in (+35%)
- Ix
- 3.3 in⁴ (+133%)
Source: AISC Shapes Database v16.0 · Methodology