W40×362 vs W40×372
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W40×372 is the heavier section at 372 lb per foot, versus 362 for W40×362 (10 lb/ft more).
Both are nominally 40 in. deep.
W40×372 has the greater bending strength: section modulus Sx of 1460 in³ versus 1420, about 3% more.
| Property | W40×362 | W40×372 |
|---|---|---|
| Weight | 362 lb/ft | 372 lb/ft |
| Depth (d) | 40 1/2" | 40 5/8" |
| Flange width (bf) | 16" | 16 1/8" |
| Web thickness (tw) | 1 1/8" | 1 3/16" |
| Flange thickness (tf) | 2" | 2 1/16" |
| Area (A) | 106 in² | 110 in² |
| Moment of inertia (Ix) | 28900 in⁴ | 29600 in⁴ |
| Section modulus (Sx) | 1420 in³ | 1460 in³ |
| Plastic modulus (Zx) | 1640 in³ | 1680 in³ |
Open W40×362 in the interactive size chart →
Full detail: W40×362 · W40×372. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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