HSS10X3-1/2X5/16 Dimensions & Weight

HSS10X3-1/2X5/16 is a rectangular hollow structural section, 10 x 3.5 in nominal outside with a 5/16 in nominal wall (0.291 in design wall per AISC), at 26.53 lb per foot — commonly specified for heavier columns and brace members.

HSS10X3-1/2X5/16 Dimensions

PropertyImperialMetric
Outside depth (nominal)10 in254 mm
Outside width (nominal)3.5 in88.9 mm
Wall thickness (nominal)5/16 in (0.313)7.9 mm
Design wall thickness0.93 x nominal, per AISC for A5000.29 in7.4 mm
Cross-section area (A)computed from weight and steel density7.8 in²50.3 cm²
Weight26.53 lb/ft39.5 kg/m

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

What does HSS10X3-1/2X5/16 weigh and cost?

HSS10X3-1/2X5/16 weighs 26.53 lb per foot. At an example material price of $0.92/lb that is about $24.41 per foot. Set your quantity, length, and price to total your own run:

Total weight
531 lbs
Material cost
$488.15

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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