W24×131 vs W24×146
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W24×146 is the heavier section at 146 lb per foot, versus 131 for W24×131 (15 lb/ft more).
Both are nominally 24 in. deep.
W24×146 has the greater bending strength: section modulus Sx of 371 in³ versus 329, about 13% more.
| Property | W24×131 | W24×146 |
|---|---|---|
| Weight | 131 lb/ft | 146 lb/ft |
| Depth (d) | 24 1/2" | 24 3/4" |
| Flange width (bf) | 12 7/8" | 12 7/8" |
| Web thickness (tw) | 5/8" | 5/8" |
| Flange thickness (tf) | 15/16" | 1 1/16" |
| Area (A) | 38.6 in² | 43 in² |
| Moment of inertia (Ix) | 4020 in⁴ | 4580 in⁴ |
| Section modulus (Sx) | 329 in³ | 371 in³ |
| Plastic modulus (Zx) | 370 in³ | 418 in³ |
Open W24×131 in the interactive size chart →
Full detail: W24×131 · W24×146. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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