W36×350 vs W36×361
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W36×361 is the heavier section at 361 lb per foot, versus 350 for W36×350 (11 lb/ft more).
Both are nominally 36 in. deep.
W36×361 has the greater bending strength: section modulus Sx of 1350 in³ versus 1220, about 11% more.
| Property | W36×350 | W36×361 |
|---|---|---|
| Weight | 350 lb/ft | 361 lb/ft |
| Depth (d) | 38 5/8" | 38" |
| Flange width (bf) | 12 5/8" | 16 3/4" |
| Web thickness (tw) | 1 5/16" | 1 1/8" |
| Flange thickness (tf) | 2 5/16" | 2" |
| Area (A) | 103 in² | 106 in² |
| Moment of inertia (Ix) | 23600 in⁴ | 25700 in⁴ |
| Section modulus (Sx) | 1220 in³ | 1350 in³ |
| Plastic modulus (Zx) | 1440 in³ | 1550 in³ |
Open W36×350 in the interactive size chart →
Full detail: W36×350 · W36×361. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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