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CHS 323.9×16 - Section Properties

The CHS 323.9×16 is a circular hollow section with a mass of 121 kg/m, an overall depth of 323.9 mm and width of 323.9 mm and a wall thickness of 16 mm. It has a cross-sectional area of 155 cm², a second moment of area Iᵧ of 18400 cm⁴, a plastic modulus Wₚₗ,ᵧ of 1520 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass: 121 kg/m
Diameter: 323.9 mm
Wall thickness: 16 mm
Area: 155 cm²

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mass (kg/m)121

t (mm)16

I_y (cm⁴)18400

i_y (cm)10.9

W_el,y (cm³)1140

W_pl,y (cm³)1520

I_t (cm⁴)36800

W_t (cm³)2270

A (cm²)155

SA/m (m²/m)1.02

SA/t (m²/t)8.39

Related CHS Hot-finished sizes

CHS 323.9×8 CHS 323.9×10 CHS 323.9×12.5 CHS 323.9×14.2 CHS 355.6×6.3 CHS 355.6×8 CHS 355.6×10 CHS 355.6×12.5

Learn more

📘 How to read a steel section table (UB, UC, IPE, HE) →📘 Section modulus explained: elastic (Wel) vs plastic (Wpl) →📘 SHS vs RHS vs CHS: choosing a hollow steel section →

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