HSS3.500X0.313 Dimensions & Weight

HSS3.500X0.313 is a round hollow section to AISC, 3.5 in outside diameter with a 0.313 in nominal wall (0.291 in design wall per AISC), weighing 10.66 lb per foot — used for handrail posts, equipment frames, and miscellaneous metals. It is the heaviest of the 7 HSS3.500 sizes listed here.

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HSS3.500X0.313 Dimensions

PropertyImperialMetric
Outside diameter3.5 in88.9 mm
Wall thickness (nominal)0.313 in8 mm
Design wall thickness0.93 x nominal, per AISC for A5000.29 in7.4 mm
Cross-section area (A)computed from weight and steel density3.13 in²20.2 cm²
Weight10.66 lb/ft15.9 kg/m

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

What does HSS3.500X0.313 weigh and cost?

HSS3.500X0.313 weighs 10.66 lb per foot. At an example material price of $0.92/lb that is about $9.81 per foot. Set your quantity, length, and price to total your own run:

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Total weight
213 lbs
Material cost
$196.14

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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