W18×106 vs W18×119
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W18×119 is the heavier section at 119 lb per foot, versus 106 for W18×106 (13 lb/ft more).
Both are nominally 18 in. deep.
W18×119 has the greater bending strength: section modulus Sx of 231 in³ versus 204, about 13% more.
| Property | W18×106 | W18×119 |
|---|---|---|
| Weight | 106 lb/ft | 119 lb/ft |
| Depth (d) | 18 3/4" | 19" |
| Flange width (bf) | 11 1/4" | 11 1/4" |
| Web thickness (tw) | 9/16" | 5/8" |
| Flange thickness (tf) | 15/16" | 1 1/16" |
| Area (A) | 31.1 in² | 35.1 in² |
| Moment of inertia (Ix) | 1910 in⁴ | 2190 in⁴ |
| Section modulus (Sx) | 204 in³ | 231 in³ |
| Plastic modulus (Zx) | 230 in³ | 262 in³ |
Open W18×106 in the interactive size chart →
Full detail: W18×106 · W18×119. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
Browse more: size comparisons · Steel Beam Size Chart