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RHS 180×100×8.8 - Section Properties

The RHS 180×100×8.8 is a rectangular hollow section with a mass of 35.6 kg/m, an overall depth of 180 mm and width of 100 mm and a wall thickness of 8.8 mm. It has a cross-sectional area of 45.4 cm², a second moment of area Iᵧ of 1850 cm⁴, a plastic modulus Wₚₗ,ᵧ of 259 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
35.6 kg/m
Depth
180 mm
Width
100 mm
Wall thickness
8.8 mm
Area
45.4 cm²
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RHS 180×100×8.8 section profile
mass (kg/m)35.6
t (mm)8.8
Iy (cm⁴)1850
Iz (cm⁴)720
iy (cm)6.38
iz (cm)3.98
Wel,y (cm³)205
Wel,z (cm³)144
Wpl,y (cm³)259
Wpl,z (cm³)170
A (cm²)45.4
SA/m (m²/m)0.537
SA/t (m²/t)15.1

Related RHS Hot-finished sizes

RHS 180×100×5RHS 180×100×6.3RHS 180×100×7.1RHS 180×100×8RHS 180×100×10RHS 180×100×12.5RHS 200×100×4RHS 200×100×5

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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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