Steel Beam Sizes / AISC / WT Tees / WT3x4.5
WT3x4.5 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT3x4.5: 2.95 in depth, 3.94 in flange width, 4.5 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
WT3x4.5 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 | 4.50 lb/ft | 6.75 kg/m |
| Depth, d | 2.95 in | 74.90 mm |
| Flange width, bf | 3.94 in | 100.00 mm |
| tw | 0.170 in | 4.320 mm |
| tf | 0.215 in | 5.460 mm |
| Area | 1.34 in² | 865.00 mm² |
| Ix | 0.95 in⁴ | 395,000.00 mm⁴ |
| Iy | 1.10 in⁴ | 458,000.00 mm⁴ |
| Sx | 0.41 in³ | 6,690.00 mm³ |
| Sy | 0.56 in³ | 9,130.00 mm³ |
| Zx | 0.72 in³ | 11,800.00 mm³ |
| Zy | 0.86 in³ | 14,000.00 mm³ |
| rx | 0.84 in | 21.40 mm |
| ry | 0.91 in | 23.00 mm |
| J | 0.02 in⁴ | 8,410.00 mm⁴ |
| Cw | 0.01 in⁶ | 1,980,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus WT3x4.5.
Lighter in WT3
WT3x4.25
- Weight
- 4.3 lb/ft (-5.6%)
- Depth
- 2.92 in (-1.0%)
- Ix
- 0.9 in⁴ (-4.7%)
Heavier in WT3
WT3x6
- Weight
- 6.0 lb/ft (+33%)
- Depth
- 3.02 in (+2.4%)
- Ix
- 1.3 in⁴ (+39%)
Another Iₓ option in WT3
WT3x7.5
- Weight
- 7.5 lb/ft (+67%)
- Depth
- 3.00 in (+1.7%)
- Ix
- 1.4 in⁴ (+48%)
Similar weight in WT4
WT4x5
- Weight
- 5.0 lb/ft (+11%)
- Depth
- 3.95 in (+34%)
- Ix
- 2.2 in⁴ (+126%)
Source: AISC Shapes Database v16.0 · Methodology