W18X71 Dimensions & Weight
W18X71 is an AISC wide-flange (W) shape with an actual depth of 18.47 in and a 7.64 in wide flange, weighing 71 lb per foot — a workhorse size for floor beams and roof framing on commercial jobs.
W18X71 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 18.47 in | 469.1 mm |
| Flange width (bf) | 7.64 in | 193.9 mm |
| Cross-section area (A) | 20.8 in² | 134.2 cm² |
| Weight | 71 lb/ft | 105.7 kg/m |
What does W18X71 weigh and cost?
W18X71 weighs 71 lb per foot. At an example material price of $0.92/lb that is about $65.32 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