W14×550 vs W14×605
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W14×605 is the heavier section at 605 lb per foot, versus 550 for W14×550 (55 lb/ft more).
Both are nominally 14 in. deep.
W14×605 has the greater bending strength: section modulus Sx of 1040 in³ versus 931, about 12% more.
| Property | W14×550 | W14×605 |
|---|---|---|
| Weight | 550 lb/ft | 605 lb/ft |
| Depth (d) | 20 1/4" | 20 7/8" |
| Flange width (bf) | 17 1/4" | 17 3/8" |
| Web thickness (tw) | 2 3/8" | 2 5/8" |
| Flange thickness (tf) | 3 13/16" | 4 3/16" |
| Area (A) | 162 in² | 178 in² |
| Moment of inertia (Ix) | 9430 in⁴ | 10800 in⁴ |
| Section modulus (Sx) | 931 in³ | 1040 in³ |
| Plastic modulus (Zx) | 1180 in³ | 1320 in³ |
Open W14×550 in the interactive size chart →
Full detail: W14×550 · W14×605. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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