W40×294 vs W40×297
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W40×297 is the heavier section at 297 lb per foot, versus 294 for W40×294 (3 lb/ft more).
Both are nominally 40 in. deep.
W40×297 has the greater bending strength: section modulus Sx of 1170 in³ versus 1080, about 8% more.
| Property | W40×294 | W40×297 |
|---|---|---|
| Weight | 294 lb/ft | 297 lb/ft |
| Depth (d) | 40 3/8" | 39 7/8" |
| Flange width (bf) | 12" | 15 7/8" |
| Web thickness (tw) | 1 1/16" | 15/16" |
| Flange thickness (tf) | 1 15/16" | 1 5/8" |
| Area (A) | 86.2 in² | 87.3 in² |
| Moment of inertia (Ix) | 21900 in⁴ | 23200 in⁴ |
| Section modulus (Sx) | 1080 in³ | 1170 in³ |
| Plastic modulus (Zx) | 1270 in³ | 1330 in³ |
Open W40×294 in the interactive size chart →
Full detail: W40×294 · W40×297. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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