Steel Beam Sizes / AISC / W-Shapes / W33 / W33x221
W33x221 Steel Beam Dimensions and Properties
AISC Wide flange · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
W33x221 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 | 221.00 lb/ft | 329.00 kg/m |
| Depth, d | 33.90 in | 861.00 mm |
| Flange width, bf | 15.80 in | 401.00 mm |
| tw | 0.775 in | 19.700 mm |
| tf | 1.280 in | 32.500 mm |
| Area | 65.30 in² | 42,100.00 mm² |
| Ix | 12,900.00 in⁴ | 5,370,000,000 mm⁴ |
| Iy | 840.00 in⁴ | 350,000,000 mm⁴ |
| Sx | 759.00 in³ | 12,400,000 mm³ |
| Sy | 106.00 in³ | 1,740,000 mm³ |
| Zx | 857.00 in³ | 14,000,000 mm³ |
| Zy | 164.00 in³ | 2,690,000 mm³ |
| rx | 14.10 in | 358.00 mm |
| ry | 3.59 in | 91.20 mm |
| J | 27.80 in⁴ | 11,600,000 mm⁴ |
| Cw | 224,000.00 in⁶ | 60,200,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus W33x221.
Lighter in W33
W33x201
- Weight
- 201.0 lb/ft (-9.0%)
- Depth
- 33.70 in (-0.6%)
- Ix
- 11,600.0 in⁴ (-10%)
Heavier in W33
W33x241
- Weight
- 241.0 lb/ft (+9.0%)
- Depth
- 34.20 in (+0.9%)
- Ix
- 14,200.0 in⁴ (+10%)
Closest Iₓ in W33
W33x263
- Weight
- 263.0 lb/ft (+19%)
- Depth
- 34.50 in (+1.8%)
- Ix
- 15,900.0 in⁴ (+23%)
Similar weight in W36
W36x231
- Weight
- 231.0 lb/ft (+4.5%)
- Depth
- 36.50 in (+7.7%)
- Ix
- 15,600.0 in⁴ (+21%)
Source: AISC Shapes Database v16.0 · Methodology