MC3X7.1 Dimensions & Weight
MC3X7.1 is an AISC miscellaneous channel with a nominal depth of 3 in, weighing 7.1 lb per foot — commonly used for stair stringers, lintels, trimmers, and edge framing.
MC3X7.1 Dimensions
| Property | Imperial | Metric |
|---|---|---|
| Nominal depthfrom the designation | 3 in | 76.2 mm |
| Cross-section area (A)computed from weight and steel density | 2.09 in² | 13.5 cm² |
| Weight | 7.1 lb/ft | 10.6 kg/m |
Standard: AISC. Values from the published section tables; dimensions not listed here are not shown rather than estimated.
What does MC3X7.1 weigh and cost?
MC3X7.1 weighs 7.1 lb per foot. At an example material price of $0.92/lb that is about $6.53 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