W21X50 Dimensions & Weight
W21X50 is an AISC wide-flange (W) shape with an actual depth of 20.83 in and a 6.53 in wide flange, weighing 50 lb per foot — a size you will see on longer floor spans and transfer framing.
W21X50 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 20.83 in | 529.1 mm |
| Flange width (bf) | 6.53 in | 165.9 mm |
| Cross-section area (A) | 14.7 in² | 94.8 cm² |
| Weight | 50 lb/ft | 74.4 kg/m |
What does W21X50 weigh and cost?
W21X50 weighs 50 lb per foot. At an example material price of $0.92/lb that is about $46.00 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