W12×152 vs W12×170
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W12×170 is the heavier section at 170 lb per foot, versus 152 for W12×152 (18 lb/ft more).
Both are nominally 12 in. deep.
W12×170 has the greater bending strength: section modulus Sx of 235 in³ versus 209, about 12% more.
| Property | W12×152 | W12×170 |
|---|---|---|
| Weight | 152 lb/ft | 170 lb/ft |
| Depth (d) | 13 3/4" | 14" |
| Flange width (bf) | 12 1/2" | 12 5/8" |
| Web thickness (tw) | 7/8" | 15/16" |
| Flange thickness (tf) | 1 3/8" | 1 9/16" |
| Area (A) | 44.7 in² | 50 in² |
| Moment of inertia (Ix) | 1430 in⁴ | 1650 in⁴ |
| Section modulus (Sx) | 209 in³ | 235 in³ |
| Plastic modulus (Zx) | 243 in³ | 275 in³ |
Open W12×152 in the interactive size chart →
Full detail: W12×152 · W12×170. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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