W12×170 vs W12×190
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W12×190 is the heavier section at 190 lb per foot, versus 170 for W12×170 (20 lb/ft more).
Both are nominally 12 in. deep.
W12×190 has the greater bending strength: section modulus Sx of 263 in³ versus 235, about 12% more.
| Property | W12×170 | W12×190 |
|---|---|---|
| Weight | 170 lb/ft | 190 lb/ft |
| Depth (d) | 14" | 14 3/8" |
| Flange width (bf) | 12 5/8" | 12 5/8" |
| Web thickness (tw) | 15/16" | 1 1/16" |
| Flange thickness (tf) | 1 9/16" | 1 3/4" |
| Area (A) | 50 in² | 56 in² |
| Moment of inertia (Ix) | 1650 in⁴ | 1890 in⁴ |
| Section modulus (Sx) | 235 in³ | 263 in³ |
| Plastic modulus (Zx) | 275 in³ | 311 in³ |
Open W12×170 in the interactive size chart →
Full detail: W12×170 · W12×190. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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