W14×605 vs W14×665
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W14×665 is the heavier section at 665 lb per foot, versus 605 for W14×605 (60 lb/ft more).
Both are nominally 14 in. deep.
W14×665 has the greater bending strength: section modulus Sx of 1150 in³ versus 1040, about 11% more.
| Property | W14×605 | W14×665 |
|---|---|---|
| Weight | 605 lb/ft | 665 lb/ft |
| Depth (d) | 20 7/8" | 21 5/8" |
| Flange width (bf) | 17 3/8" | 17 5/8" |
| Web thickness (tw) | 2 5/8" | 2 13/16" |
| Flange thickness (tf) | 4 3/16" | 4 1/2" |
| Area (A) | 178 in² | 196 in² |
| Moment of inertia (Ix) | 10800 in⁴ | 12400 in⁴ |
| Section modulus (Sx) | 1040 in³ | 1150 in³ |
| Plastic modulus (Zx) | 1320 in³ | 1480 in³ |
Open W14×605 in the interactive size chart →
Full detail: W14×605 · W14×665. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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