W33×118 vs W33×130
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W33×130 is the heavier section at 130 lb per foot, versus 118 for W33×118 (12 lb/ft more).
Both are nominally 33 in. deep.
W33×130 has the greater bending strength: section modulus Sx of 406 in³ versus 359, about 13% more.
| Property | W33×118 | W33×130 |
|---|---|---|
| Weight | 118 lb/ft | 130 lb/ft |
| Depth (d) | 32 7/8" | 33 1/8" |
| Flange width (bf) | 11 1/2" | 11 1/2" |
| Web thickness (tw) | 9/16" | 9/16" |
| Flange thickness (tf) | 3/4" | 7/8" |
| Area (A) | 34.7 in² | 38.3 in² |
| Moment of inertia (Ix) | 5900 in⁴ | 6710 in⁴ |
| Section modulus (Sx) | 359 in³ | 406 in³ |
| Plastic modulus (Zx) | 415 in³ | 467 in³ |
Open W33×118 in the interactive size chart →
Full detail: W33×118 · W33×130. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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