W6×12 vs W10×12
A side-by-side comparison of two AISC wide-flange beams, 16th Edition. Detailing dimensions to the nearest 1/16 in.
W6×12 and W10×12 both weigh 12 lb per foot, so the choice comes down to depth and stiffness rather than weight.
W10×12 is the deeper section at a nominal 10 in., versus 6 in.
W10×12 has the greater bending strength: section modulus Sx of 10.9 in³ versus 7.31, about 49% more.
| Property | W6×12 | W10×12 |
|---|---|---|
| Weight | 12 lb/ft | 12 lb/ft |
| Depth (d) | 6" | 9 7/8" |
| Flange width (bf) | 4" | 4" |
| Web thickness (tw) | 1/4" | 3/16" |
| Flange thickness (tf) | 1/4" | 3/16" |
| Area (A) | 3.55 in² | 3.54 in² |
| Moment of inertia (Ix) | 22.1 in⁴ | 53.8 in⁴ |
| Section modulus (Sx) | 7.31 in³ | 10.9 in³ |
| Plastic modulus (Zx) | 8.3 in³ | 12.6 in³ |
Open W6×12 in the interactive size chart →
Full detail: W6×12 · W10×12. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.
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