S24X121 Dimensions & Weight
S24X121 is an AISC American Standard (S) beam with an actual depth of 24.5 in and a 8 in flange, weighing 121 lb per foot — commonly used for longer floor spans and transfer framing. It is the heaviest of the 5 S24 sizes listed here.
S24X121 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Depth (d) | 24.5 in | 622.3 mm |
| Flange width (bf) | 8.05 in | 204.4 mm |
| Cross-section area (A) | 35.6 in² | 229.7 cm² |
| Weight | 121 lb/ft | 180.1 kg/m |
Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does S24X121 weigh and cost?
S24X121 weighs 121 lb per foot. At an example material price of $0.92/lb that is about $111.32 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: AISC Shape Database Guide · How to calculate steel weight