W40X149 Dimensions & Weight
W40X149 is an AISC wide-flange (W) shape with an actual depth of 38.2 in and a 11.81 in wide flange, weighing 149 lb per foot — a deep section used for girders, transfer beams, and long-span roof framing. It is the lightest of the 24 W40 sizes listed here.
W40X149 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 38.2 in | 970.3 mm |
| Flange width (bf) | 11.81 in | 300 mm |
| Cross-section area (A) | 43.8 in² | 282.6 cm² |
| Weight | 149 lb/ft | 221.7 kg/m |
What does W40X149 cost?
At an example material price of $0.92/lb, W40X149 runs about $137 per foot, or roughly $2,742 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 W40X149s 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