W30×191 vs W30×211
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W30×211 is the heavier section at 211 lb per foot, versus 191 for W30×191 (20 lb/ft more).
Both are nominally 30 in. deep.
W30×211 has the greater bending strength: section modulus Sx of 665 in³ versus 600, about 11% more.
| Property | W30×191 | W30×211 |
|---|---|---|
| Weight | 191 lb/ft | 211 lb/ft |
| Depth (d) | 30 5/8" | 31" |
| Flange width (bf) | 15" | 15 1/8" |
| Web thickness (tw) | 11/16" | 3/4" |
| Flange thickness (tf) | 1 3/16" | 1 5/16" |
| Area (A) | 56.1 in² | 62.3 in² |
| Moment of inertia (Ix) | 9200 in⁴ | 10300 in⁴ |
| Section modulus (Sx) | 600 in³ | 665 in³ |
| Plastic modulus (Zx) | 675 in³ | 751 in³ |
Open W30×191 in the interactive size chart →
Full detail: W30×191 · W30×211. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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