W40×211 vs W40×215
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W40×215 is the heavier section at 215 lb per foot, versus 211 for W40×211 (4 lb/ft more).
Both are nominally 40 in. deep.
W40×215 has the greater bending strength: section modulus Sx of 859 in³ versus 786, about 9% more.
| Property | W40×211 | W40×215 |
|---|---|---|
| Weight | 211 lb/ft | 215 lb/ft |
| Depth (d) | 39 3/8" | 39" |
| Flange width (bf) | 11 3/4" | 15 3/4" |
| Web thickness (tw) | 3/4" | 5/8" |
| Flange thickness (tf) | 1 7/16" | 1 1/4" |
| Area (A) | 62.1 in² | 63.5 in² |
| Moment of inertia (Ix) | 15500 in⁴ | 16700 in⁴ |
| Section modulus (Sx) | 786 in³ | 859 in³ |
| Plastic modulus (Zx) | 906 in³ | 964 in³ |
Open W40×211 in the interactive size chart →
Full detail: W40×211 · W40×215. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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