W12X79 Dimensions & Weight
W12X79 is an AISC wide-flange (W) shape with an actual depth of 12.38 in and a 12.08 in wide flange, weighing 79 lb per foot — a common size for light floor framing, mezzanines, and residential beams.
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Count every W12X79 on your drawing. Count W12X79 on your drawing. 3 free takeoffs, no card.
Start a free takeoffW12X79 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 12.38 in | 314.5 mm |
| Flange width (bf) | 12.08 in | 306.8 mm |
| Cross-section area (A) | 23.2 in² | 149.7 cm² |
| Weight | 79 lb/ft | 117.6 kg/m |
Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does W12X79 weigh and cost?
W12X79 weighs 79 lb per foot. At an example material price of $0.92/lb that is about $72.68 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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Deeper reading: Wide-Flange Beam Sizes: The Complete Guide · How to calculate steel weight