W27×178 vs W27×194
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W27×194 is the heavier section at 194 lb per foot, versus 178 for W27×178 (16 lb/ft more).
Both are nominally 27 in. deep.
W27×194 has the greater bending strength: section modulus Sx of 559 in³ versus 505, about 11% more.
| Property | W27×178 | W27×194 |
|---|---|---|
| Weight | 178 lb/ft | 194 lb/ft |
| Depth (d) | 27 3/4" | 28 1/8" |
| Flange width (bf) | 14 1/8" | 14" |
| Web thickness (tw) | 3/4" | 3/4" |
| Flange thickness (tf) | 1 3/16" | 1 5/16" |
| Area (A) | 52.5 in² | 57.1 in² |
| Moment of inertia (Ix) | 7020 in⁴ | 7860 in⁴ |
| Section modulus (Sx) | 505 in³ | 559 in³ |
| Plastic modulus (Zx) | 570 in³ | 631 in³ |
Open W27×178 in the interactive size chart →
Full detail: W27×178 · W27×194. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
Browse more: size comparisons · Steel Beam Size Chart