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RHS 180×100×10 - Section Properties

The RHS 180×100×10 is a rectangular hollow section with a mass of 40 kg/m, an overall depth of 180 mm and width of 100 mm and a wall thickness of 10 mm. It has a cross-sectional area of 50.9 cm², a second moment of area Iᵧ of 2040 cm⁴, a plastic modulus Wₚₗ,ᵧ of 288 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
40 kg/m
Depth
180 mm
Width
100 mm
Wall thickness
10 mm
Area
50.9 cm²
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RHS 180×100×10 section profile
mass (kg/m)40
t (mm)10
Iy (cm⁴)2040
Iz (cm⁴)787
iy (cm)6.32
iz (cm)3.93
Wel,y (cm³)226
Wel,z (cm³)157
Wpl,y (cm³)288
Wpl,z (cm³)188
A (cm²)50.9
SA/m (m²/m)0.534
SA/t (m²/t)13.4

Related RHS Hot-finished sizes

RHS 180×100×6.3RHS 180×100×7.1RHS 180×100×8RHS 180×100×8.8RHS 180×100×12.5RHS 200×100×4RHS 200×100×5RHS 200×100×6.3

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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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