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RHS 350×250×8 - Section Properties

The RHS 350×250×8 is a rectangular hollow section with a mass of 72.8 kg/m, an overall depth of 350 mm and width of 250 mm and a wall thickness of 8 mm. It has a cross-sectional area of 92.8 cm², a second moment of area Iᵧ of 16400 cm⁴, a plastic modulus Wₚₗ,ᵧ of 1120 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
72.8 kg/m
Depth
350 mm
Width
250 mm
Wall thickness
8 mm
Area
92.8 cm²
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RHS 350×250×8 section profile
mass (kg/m)72.8
t (mm)8
Iy (cm⁴)16400
Iz (cm⁴)9800
iy (cm)13.3
iz (cm)10.3
Wel,y (cm³)940
Wel,z (cm³)784
Wpl,y (cm³)1120
Wpl,z (cm³)888
A (cm²)92.8
SA/m (m²/m)1.18
SA/t (m²/t)16.2

Related RHS Hot-finished sizes

RHS 350×150×14.2RHS 350×150×16RHS 350×250×6.3RHS 350×250×7.1RHS 350×250×8.8RHS 350×250×10RHS 350×250×12.5RHS 350×250×14.2

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📘 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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