W14×68 vs W14×74
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W14×74 is the heavier section at 74 lb per foot, versus 68 for W14×68 (6 lb/ft more).
Both are nominally 14 in. deep.
W14×74 has the greater bending strength: section modulus Sx of 112 in³ versus 103, about 9% more.
| Property | W14×68 | W14×74 |
|---|---|---|
| Weight | 68 lb/ft | 74 lb/ft |
| Depth (d) | 14" | 14 1/8" |
| Flange width (bf) | 10" | 10 1/8" |
| Web thickness (tw) | 7/16" | 7/16" |
| Flange thickness (tf) | 3/4" | 13/16" |
| Area (A) | 20 in² | 21.8 in² |
| Moment of inertia (Ix) | 722 in⁴ | 795 in⁴ |
| Section modulus (Sx) | 103 in³ | 112 in³ |
| Plastic modulus (Zx) | 115 in³ | 126 in³ |
Open W14×68 in the interactive size chart →
Full detail: W14×68 · W14×74. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
Browse more: size comparisons · Steel Beam Size Chart