W14×426 vs W14×455
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W14×455 is the heavier section at 455 lb per foot, versus 426 for W14×426 (29 lb/ft more).
Both are nominally 14 in. deep.
W14×455 has the greater bending strength: section modulus Sx of 756 in³ versus 706, about 7% more.
| Property | W14×426 | W14×455 |
|---|---|---|
| Weight | 426 lb/ft | 455 lb/ft |
| Depth (d) | 18 5/8" | 19" |
| Flange width (bf) | 16 3/4" | 16 7/8" |
| Web thickness (tw) | 1 7/8" | 2" |
| Flange thickness (tf) | 3 1/16" | 3 3/16" |
| Area (A) | 125 in² | 134 in² |
| Moment of inertia (Ix) | 6600 in⁴ | 7190 in⁴ |
| Section modulus (Sx) | 706 in³ | 756 in³ |
| Plastic modulus (Zx) | 869 in³ | 936 in³ |
Open W14×426 in the interactive size chart →
Full detail: W14×426 · W14×455. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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