C4X4.5 Dimensions & Weight

C4X4.5 is an AISC American Standard channel with a nominal depth of 4 in, weighing 4.5 lb per foot — commonly used for stair stringers, lintels, trimmers, and edge framing. It is the lightest of the 4 C4 sizes listed here.

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C4X4.5 Dimensions

Property	Imperial	Metric
Nominal depthfrom the designation	4 in	101.6 mm
Cross-section area (A)computed from weight and steel density	1.32 in²	8.5 cm²
Weight	4.5 lb/ft	6.7 kg/m

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

What does C4X4.5 weigh and cost?

C4X4.5 weighs 4.5 lb per foot. At an example material price of $0.92/lb that is about $4.14 per foot. Set your quantity, length, and price to total your own run:

QtyLength (ft)$ / lb

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Total weight

90 lbs

Material cost

$82.80

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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