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RHS 120×80×10 - Section Properties

The RHS 120×80×10 is a rectangular hollow section with a mass of 27.4 kg/m, an overall depth of 120 mm and width of 80 mm and a wall thickness of 10 mm. It has a cross-sectional area of 34.9 cm², a second moment of area Iᵧ of 609 cm⁴, a plastic modulus Wₚₗ,ᵧ of 131 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
27.4 kg/m
Depth
120 mm
Width
80 mm
Wall thickness
10 mm
Area
34.9 cm²
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RHS 120×80×10 section profile
mass (kg/m)27.4
t (mm)10
Iy (cm⁴)609
Iz (cm⁴)313
iy (cm)4.18
iz (cm)2.99
Wel,y (cm³)102
Wel,z (cm³)78.1
Wpl,y (cm³)131
Wpl,z (cm³)97.3
A (cm²)34.9
SA/m (m²/m)0.374
SA/t (m²/t)13.7

Related RHS Hot-finished sizes

RHS 120×80×6.3RHS 120×80×7.1RHS 120×80×8RHS 120×80×8.8RHS 120×80×12.5RHS 150×100×4RHS 150×100×5RHS 150×100×6.3

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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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Rectangular Hollow Sections - Hot-finished (BS EN 10210)
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