HSS12X6X3/8 Dimensions & Weight

HSS12X6X3/8 is a rectangular hollow structural section, 12 x 6 in nominal outside with a 3/8 in nominal wall (0.349 in design wall per AISC), at 42.79 lb per foot — commonly specified for heavier columns and brace members.

HSS12X6X3/8 Dimensions

PropertyImperialMetric
Outside depth (nominal)12 in304.8 mm
Outside width (nominal)6 in152.4 mm
Wall thickness (nominal)3/8 in (0.375)9.5 mm
Design wall thickness0.93 x nominal, per AISC for A5000.349 in8.9 mm
Cross-section area (A)computed from weight and steel density12.57 in²81.1 cm²
Weight42.79 lb/ft63.7 kg/m

What does HSS12X6X3/8 weigh and cost?

HSS12X6X3/8 weighs 42.79 lb per foot. At an example material price of $0.92/lb that is about $39.37 per foot. Set your quantity, length, and price to total your own run:

Total weight
856 lbs
Material cost
$787.34

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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