W40X392 Dimensions & Weight
W40X392 is an AISC wide-flange (W) shape with an actual depth of 41.6 in and a 12.4 in wide flange, weighing 392 lb per foot — a deep section used for girders, transfer beams, and long-span roof framing.
W40X392 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 41.6 in | 1,056.6 mm |
| Flange width (bf) | 12.4 in | 315 mm |
| Cross-section area (A) | 115 in² | 741.9 cm² |
| Weight | 392 lb/ft | 583.4 kg/m |
What does W40X392 weigh and cost?
W40X392 weighs 392 lb per foot. At an example material price of $0.92/lb that is about $360.64 per foot. Set your quantity, length, and price to total your own run:
Material only, example pricing. Actual steel pricing varies by region, grade, quantity, and market conditions — use your own supplier numbers for real bids.
Pricing more than one size? Build a full member list in the free calculator →
Stop counting W40X392s by hand.
Upload your drawing set and SteelFlo puts a box on every steel label it finds — every W40X392, on every page — ready to review and export as a bill of materials.
Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight