W36×231 vs W36×232
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W36×232 is the heavier section at 232 lb per foot, versus 231 for W36×231 (1 lb/ft more).
Both are nominally 36 in. deep.
W36×231 has the greater bending strength: section modulus Sx of 854 in³ versus 809, about 6% more.
| Property | W36×231 | W36×232 |
|---|---|---|
| Weight | 231 lb/ft | 232 lb/ft |
| Depth (d) | 36 1/2" | 37 1/8" |
| Flange width (bf) | 16 1/2" | 12 1/8" |
| Web thickness (tw) | 3/4" | 7/8" |
| Flange thickness (tf) | 1 1/4" | 1 9/16" |
| Area (A) | 68.2 in² | 68 in² |
| Moment of inertia (Ix) | 15600 in⁴ | 15000 in⁴ |
| Section modulus (Sx) | 854 in³ | 809 in³ |
| Plastic modulus (Zx) | 963 in³ | 936 in³ |
Open W36×231 in the interactive size chart →
Full detail: W36×231 · W36×232. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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