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RHS 180×100×8 - Section Properties

The RHS 180×100×8 is a rectangular hollow section with a mass of 32.6 kg/m, an overall depth of 180 mm and width of 100 mm and a wall thickness of 8 mm. It has a cross-sectional area of 41.6 cm², a second moment of area Iᵧ of 1710 cm⁴, a plastic modulus Wₚₗ,ᵧ of 239 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
32.6 kg/m
Depth
180 mm
Width
100 mm
Wall thickness
8 mm
Area
41.6 cm²
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RHS 180×100×8 section profile
mass (kg/m)32.6
t (mm)8
Iy (cm⁴)1710
Iz (cm⁴)671
iy (cm)6.42
iz (cm)4.02
Wel,y (cm³)190
Wel,z (cm³)134
Wpl,y (cm³)239
Wpl,z (cm³)157
A (cm²)41.6
SA/m (m²/m)0.539
SA/t (m²/t)16.5

Related RHS Hot-finished sizes

RHS 180×100×4RHS 180×100×5RHS 180×100×6.3RHS 180×100×7.1RHS 180×100×8.8RHS 180×100×10RHS 180×100×12.5RHS 200×100×4

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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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