W10X12 Dimensions & Weight
W10X12 is an AISC wide-flange (W) shape with an actual depth of 9.87 in and a 3.96 in wide flange, weighing 12 lb per foot — a common size for light floor framing, mezzanines, and residential beams. It is the lightest of the 18 W10 sizes listed here.
W10X12 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 9.87 in | 250.7 mm |
| Flange width (bf) | 3.96 in | 100.6 mm |
| Cross-section area (A) | 3.54 in² | 22.8 cm² |
| Weight | 12 lb/ft | 17.9 kg/m |
What does W10X12 cost?
At an example material price of $0.92/lb, W10X12 runs about $11.04 per foot, or roughly $221 for a 20-ft length.
Example pricing only. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
Counting W10X12s off a drawing set by hand? SteelFlo finds every steel label on your PDF automatically — 3 takeoffs free.
Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight