W27×146 vs W27×161
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W27×161 is the heavier section at 161 lb per foot, versus 146 for W27×146 (15 lb/ft more).
Both are nominally 27 in. deep.
W27×161 has the greater bending strength: section modulus Sx of 458 in³ versus 414, about 11% more.
| Property | W27×146 | W27×161 |
|---|---|---|
| Weight | 146 lb/ft | 161 lb/ft |
| Depth (d) | 27 3/8" | 27 5/8" |
| Flange width (bf) | 14" | 14" |
| Web thickness (tw) | 5/8" | 11/16" |
| Flange thickness (tf) | 1" | 1 1/16" |
| Area (A) | 43.2 in² | 47.6 in² |
| Moment of inertia (Ix) | 5660 in⁴ | 6310 in⁴ |
| Section modulus (Sx) | 414 in³ | 458 in³ |
| Plastic modulus (Zx) | 464 in³ | 515 in³ |
Open W27×146 in the interactive size chart →
Full detail: W27×146 · W27×161. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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