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RHS 80×40×3.2 - Section Properties

The RHS 80×40×3.2 is a steel section with a mass of 5.67 kg/m, an overall depth of 80 mm and width of 40 mm and a wall thickness of 3.2 mm. It has a cross-sectional area of 7.16 cm², a second moment of area Iᵧ of 57.2 cm⁴, a plastic modulus Wₚₗ,ᵧ of 18 cm³, to EN 10219 · Continental Steel (SCI P363 Blue Book).

Mass
5.67 kg/m
Depth
80 mm
Width
40 mm
Wall thickness
3.2 mm
Area
7.16 cm²
🔍 Open the full Steel CatalogueRun EC3 capacity checks on RHS 80×40×3.2
mass (kg/m)5.67
h (mm)80
b (mm)40
tw (mm)0
tf (mm)0
Iy (cm⁴)57.2
Iz (cm⁴)18.9
iy (cm)2.83
iz (cm)1.63
Wel,y (cm³)14.3
Wel,z (cm³)9.46
Wpl,y (cm³)18
Wpl,z (cm³)11
Iw (dm⁶)0
It (cm⁴)46.2
A (cm²)7.16
SA/m (m²/m)0.232

Related RHS sizes

RHS 60×40×6RHS 60×40×6.3RHS 60×40×8RHS 80×40×3RHS 80×40×4RHS 80×40×5RHS 80×40×6RHS 80×40×6.3

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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