Steel Beam Sizes / AISC / W-Shapes / W16 / W16x45
W16x45 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W16x45: 16.1 in depth, 7.04 in flange width, 45 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W16x45 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 | 45.00 lb/ft | 67.00 kg/m |
| Depth, d | 16.10 in | 409.00 mm |
| Flange width, bf | 7.04 in | 179.00 mm |
| tw | 0.345 in | 8.760 mm |
| tf | 0.565 in | 14.400 mm |
| Area | 13.30 in² | 8,580.00 mm² |
| Ix | 586.00 in⁴ | 244,000,000 mm⁴ |
| Iy | 32.80 in⁴ | 13,700,000 mm⁴ |
| Sx | 72.70 in³ | 1,190,000 mm³ |
| Sy | 9.34 in³ | 153,000.00 mm³ |
| Zx | 82.30 in³ | 1,350,000 mm³ |
| Zy | 14.50 in³ | 238,000.00 mm³ |
| rx | 6.65 in | 169.00 mm |
| ry | 1.57 in | 39.90 mm |
| J | 1.11 in⁴ | 462,000.00 mm⁴ |
| Cw | 1,990.00 in⁶ | 534,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W16x45.
Lighter in W16
W16x40
- Weight
- 40.0 lb/ft (-11%)
- Depth
- 16.00 in (-0.6%)
- Ix
- 518.0 in⁴ (-12%)
Heavier in W16
W16x50
- Weight
- 50.0 lb/ft (+11%)
- Depth
- 16.30 in (+1.2%)
- Ix
- 659.0 in⁴ (+12%)
Another Iₓ option in W16
W16x36
- Weight
- 36.0 lb/ft (-20%)
- Depth
- 15.90 in (-1.2%)
- Ix
- 448.0 in⁴ (-24%)
Similar weight in W18
W18x46
- Weight
- 46.0 lb/ft (+2.2%)
- Depth
- 18.10 in (+12%)
- Ix
- 712.0 in⁴ (+22%)
Source: AISC Shapes Database v16.0 · Methodology