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.

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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:

QtyLength (ft)$ / lb

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Total weight

2,420 lbs(1.21 tons)

Material cost

$2,226.40

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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