W12X279 Dimensions & Weight
W12X279 is an AISC wide-flange (W) shape with an actual depth of 15.85 in and a 13.14 in wide flange, weighing 279 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.
W12X279 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 15.85 in | 402.6 mm |
| Flange width (bf) | 13.14 in | 333.8 mm |
| Cross-section area (A) | 82 in² | 529 cm² |
| Weight | 279 lb/ft | 415.2 kg/m |
What does W12X279 weigh and cost?
W12X279 weighs 279 lb per foot. At an example material price of $0.92/lb that is about $256.68 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.
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Related sizes
Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight