S4X7.7 Dimensions & Weight

S4X7.7 is an AISC American Standard (S) beam with an actual depth of 4 in and a 2.7 in flange, weighing 7.7 lb per foot — commonly used for lintels, trimmers, and light framing. It is the lightest of the 2 S4 sizes listed here.

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S4X7.7 Dimensions

Property	Imperial	Metric
Depth (d)	4 in	101.6 mm
Flange width (bf)	2.66 in	67.6 mm
Cross-section area (A)	2.26 in²	14.6 cm²
Weight	7.7 lb/ft	11.5 kg/m

Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.

What does S4X7.7 weigh and cost?

S4X7.7 weighs 7.7 lb per foot. At an example material price of $0.92/lb that is about $7.08 per foot. Set your quantity, length, and price to total your own run:

QtyLength (ft)$ / lb

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Total weight

154 lbs

Material cost

$141.68

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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