HSS5-1/2X5-1/2X3/8 Dimensions & Weight

HSS5-1/2X5-1/2X3/8 is a square hollow structural section, 5.5 x 5.5 in nominal outside with a 3/8 in nominal wall (0.349 in design wall per AISC), at 24.93 lb per foot — commonly specified for columns, braces, and exposed architectural steel.

HSS5-1/2X5-1/2X3/8 Dimensions

PropertyImperialMetric
Outside depth (nominal)5.5 in139.7 mm
Outside width (nominal)5.5 in139.7 mm
Wall thickness (nominal)3/8 in (0.375)9.5 mm
Design wall thickness0.93 x nominal, per AISC for A5000.35 in8.9 mm
Cross-section area (A)computed from weight and steel density7.33 in²47.3 cm²
Weight24.93 lb/ft37.1 kg/m

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

What does HSS5-1/2X5-1/2X3/8 weigh and cost?

HSS5-1/2X5-1/2X3/8 weighs 24.93 lb per foot. At an example material price of $0.92/lb that is about $22.94 per foot. Set your quantity, length, and price to total your own run:

Total weight
499 lbs
Material cost
$458.71

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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