W24×117 vs W24×131
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W24×131 is the heavier section at 131 lb per foot, versus 117 for W24×117 (14 lb/ft more).
Both are nominally 24 in. deep.
W24×131 has the greater bending strength: section modulus Sx of 329 in³ versus 291, about 13% more.
| Property | W24×117 | W24×131 |
|---|---|---|
| Weight | 117 lb/ft | 131 lb/ft |
| Depth (d) | 24 1/4" | 24 1/2" |
| Flange width (bf) | 12 3/4" | 12 7/8" |
| Web thickness (tw) | 9/16" | 5/8" |
| Flange thickness (tf) | 7/8" | 15/16" |
| Area (A) | 34.4 in² | 38.6 in² |
| Moment of inertia (Ix) | 3540 in⁴ | 4020 in⁴ |
| Section modulus (Sx) | 291 in³ | 329 in³ |
| Plastic modulus (Zx) | 327 in³ | 370 in³ |
Open W24×117 in the interactive size chart →
Full detail: W24×117 · W24×131. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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