W44×368 vs W44×408
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W44×408 is the heavier section at 408 lb per foot, versus 368 for W44×368 (40 lb/ft more).
Both are nominally 44 in. deep.
W44×408 has the greater bending strength: section modulus Sx of 1730 in³ versus 1560, about 11% more.
| Property | W44×368 | W44×408 |
|---|---|---|
| Weight | 368 lb/ft | 408 lb/ft |
| Depth (d) | 44 3/8" | 44 3/4" |
| Flange width (bf) | 16" | 16 1/8" |
| Web thickness (tw) | 1 1/8" | 1 1/4" |
| Flange thickness (tf) | 2" | 2 3/16" |
| Area (A) | 108 in² | 120 in² |
| Moment of inertia (Ix) | 34700 in⁴ | 38700 in⁴ |
| Section modulus (Sx) | 1560 in³ | 1730 in³ |
| Plastic modulus (Zx) | 1800 in³ | 2000 in³ |
Open W44×368 in the interactive size chart →
Full detail: W44×368 · W44×408. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
Browse more: size comparisons · Steel Beam Size Chart