HSS4.500X0.125 Dimensions & Weight

HSS4.500X0.125 is a round hollow section to AISC, 4.5 in outside diameter with a 0.125 in nominal wall (0.116 in design wall per AISC), weighing 5.85 lb per foot — used for columns, braces, and exposed architectural steel. It is the lightest of the 5 HSS4.500 sizes listed here.

HSS4.500X0.125 Dimensions

PropertyImperialMetric
Outside diameter4.5 in114.3 mm
Wall thickness (nominal)0.125 in3.2 mm
Design wall thickness0.93 x nominal, per AISC for A5000.12 in2.9 mm
Cross-section area (A)computed from weight and steel density1.72 in²11.1 cm²
Weight5.85 lb/ft8.7 kg/m

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

What does HSS4.500X0.125 weigh and cost?

HSS4.500X0.125 weighs 5.85 lb per foot. At an example material price of $0.92/lb that is about $5.38 per foot. Set your quantity, length, and price to total your own run:

Total weight
117 lbs
Material cost
$107.64

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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