MC6X18 Dimensions & Weight

MC6X18 is an AISC miscellaneous channel with an actual depth of 6 in and a 3.5 in flange, weighing 18 lb per foot — commonly used for stair stringers, lintels, trimmers, and edge framing. It is the heaviest of the 7 MC6 sizes listed here.

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MC6X18 Dimensions

Property	Imperial	Metric
Depth (d)	6 in	152.4 mm
Flange width (bf)	3.5 in	89 mm
Cross-section area (A)	5.29 in²	34.1 cm²
Weight	18 lb/ft	26.8 kg/m

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

What does MC6X18 weigh and cost?

MC6X18 weighs 18 lb per foot. At an example material price of $0.92/lb that is about $16.56 per foot. Set your quantity, length, and price to total your own run:

QtyLength (ft)$ / lb

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Total weight

360 lbs

Material cost

$331.20

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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