W30×326 vs W30×357
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W30×357 is the heavier section at 357 lb per foot, versus 326 for W30×326 (31 lb/ft more).
Both are nominally 30 in. deep.
W30×357 has the greater bending strength: section modulus Sx of 1140 in³ versus 1040, about 10% more.
| Property | W30×326 | W30×357 |
|---|---|---|
| Weight | 326 lb/ft | 357 lb/ft |
| Depth (d) | 32 3/8" | 32 3/4" |
| Flange width (bf) | 15 3/8" | 15 1/2" |
| Web thickness (tw) | 1 1/8" | 1 1/4" |
| Flange thickness (tf) | 2 1/16" | 2 1/4" |
| Area (A) | 95.9 in² | 105 in² |
| Moment of inertia (Ix) | 16800 in⁴ | 18700 in⁴ |
| Section modulus (Sx) | 1040 in³ | 1140 in³ |
| Plastic modulus (Zx) | 1190 in³ | 1320 in³ |
Open W30×326 in the interactive size chart →
Full detail: W30×326 · W30×357. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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