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RHS 180×100×12.5 - Section Properties

The RHS 180×100×12.5 is a rectangular hollow section with a mass of 48.7 kg/m, an overall depth of 180 mm and width of 100 mm and a wall thickness of 12.5 mm. It has a cross-sectional area of 62.1 cm², a second moment of area Iᵧ of 2390 cm⁴, a plastic modulus Wₚₗ,ᵧ of 344 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
48.7 kg/m
Depth
180 mm
Width
100 mm
Wall thickness
12.5 mm
Area
62.1 cm²
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RHS 180×100×12.5 section profile
mass (kg/m)48.7
t (mm)12.5
Iy (cm⁴)2390
Iz (cm⁴)908
iy (cm)6.2
iz (cm)3.82
Wel,y (cm³)265
Wel,z (cm³)182
Wpl,y (cm³)344
Wpl,z (cm³)223
A (cm²)62.1
SA/m (m²/m)0.528
SA/t (m²/t)10.8

Related RHS Hot-finished sizes

RHS 180×100×7.1RHS 180×100×8RHS 180×100×8.8RHS 180×100×10RHS 200×100×4RHS 200×100×5RHS 200×100×6.3RHS 200×100×7.1

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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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