W21 sizes
Every W21 in the AISC Shapes Database, 16th Edition, from 44 to 275 lb per foot. Pick a size for its full detailing dimensions and section properties.
Open the interactive size chart →W21 weight and dimension chart
| Size | Weight (lb/ft) | Depth | Flange | Sx (in³) |
|---|---|---|---|---|
| W21×44 | 44 | 20 5/8" | 6 1/2" | 81.6 |
| W21×48 | 48 | 20 5/8" | 8 1/8" | 93 |
| W21×50 | 50 | 20 7/8" | 6 1/2" | 94.5 |
| W21×55 | 55 | 20 3/4" | 8 1/4" | 110 |
| W21×57 | 57 | 21" | 6 1/2" | 111 |
| W21×62 | 62 | 21" | 8 1/4" | 127 |
| W21×68 | 68 | 21 1/8" | 8 1/4" | 140 |
| W21×73 | 73 | 21 1/4" | 8 1/4" | 151 |
| W21×83 | 83 | 21 3/8" | 8 3/8" | 171 |
| W21×93 | 93 | 21 5/8" | 8 3/8" | 192 |
| W21×101 | 101 | 21 3/8" | 12 1/4" | 227 |
| W21×111 | 111 | 21 1/2" | 12 3/8" | 249 |
| W21×122 | 122 | 21 5/8" | 12 3/8" | 273 |
| W21×132 | 132 | 21 7/8" | 12 1/2" | 295 |
| W21×147 | 147 | 22" | 12 1/2" | 329 |
| W21×166 | 166 | 22 1/2" | 12 3/8" | 380 |
| W21×182 | 182 | 22 3/4" | 12 1/2" | 417 |
| W21×201 | 201 | 23" | 12 5/8" | 461 |
| W21×223 | 223 | 23 3/8" | 12 5/8" | 520 |
| W21×248 | 248 | 23 3/4" | 12 3/4" | 576 |
| W21×275 | 275 | 24 1/8" | 12 7/8" | 638 |
Data from the AISC Shapes Database v16.0. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
Browse more: Wide flange beams · Steel Beam Size Chart