Steel Beam Sizes / AISC / W-Shapes / W21 / W21x182
W21x182 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W21x182: 22.7 in depth, 12.5 in flange width, 182 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
Need this steel supplied or fabricated?
Request project pricing for delivery in the United States or Canada.
Get a steel quote →Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
W21x182 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 | 182.00 lb/ft | 272.00 kg/m |
| Depth, d | 22.70 in | 577.00 mm |
| Flange width, bf | 12.50 in | 318.00 mm |
| tw | 0.830 in | 21.100 mm |
| tf | 1.480 in | 37.600 mm |
| Area | 53.60 in² | 34,600.00 mm² |
| Ix | 4,730.00 in⁴ | 1,970,000,000 mm⁴ |
| Iy | 483.00 in⁴ | 201,000,000 mm⁴ |
| Sx | 417.00 in³ | 6,830,000 mm³ |
| Sy | 77.20 in³ | 1,270,000 mm³ |
| Zx | 476.00 in³ | 7,800,000 mm³ |
| Zy | 119.00 in³ | 1,950,000 mm³ |
| rx | 9.40 in | 239.00 mm |
| ry | 3.00 in | 76.20 mm |
| J | 30.70 in⁴ | 12,800,000 mm⁴ |
| Cw | 54,400.00 in⁶ | 14,600,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W21x182.
Lighter in W21
W21x166
- Weight
- 166.0 lb/ft (-8.8%)
- Depth
- 22.50 in (-0.9%)
- Ix
- 4,280.0 in⁴ (-9.5%)
Heavier in W21
W21x201
- Weight
- 201.0 lb/ft (+10%)
- Depth
- 23.00 in (+1.3%)
- Ix
- 5,310.0 in⁴ (+12%)
Another Iₓ option in W21
W21x147
- Weight
- 147.0 lb/ft (-19%)
- Depth
- 22.10 in (-2.6%)
- Ix
- 3,630.0 in⁴ (-23%)
Similar weight in W24
W24x176
- Weight
- 176.0 lb/ft (-3.3%)
- Depth
- 25.20 in (+11%)
- Ix
- 5,680.0 in⁴ (+20%)
Source: AISC Shapes Database v16.0 · Methodology