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RHS 90×50×5 - Section Properties

The RHS 90×50×5 is a rectangular hollow section with a mass of 9.99 kg/m, an overall depth of 90 mm and width of 50 mm and a wall thickness of 5 mm. It has a cross-sectional area of 12.7 cm², a second moment of area Iᵧ of 127 cm⁴, a plastic modulus Wₚₗ,ᵧ of 36 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
9.99 kg/m
Depth
90 mm
Width
50 mm
Wall thickness
5 mm
Area
12.7 cm²
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RHS 90×50×5 section profile
mass (kg/m)9.99
t (mm)5
Iy (cm⁴)127
Iz (cm⁴)49.2
iy (cm)3.16
iz (cm)1.97
Wel,y (cm³)28.3
Wel,z (cm³)19.7
Wpl,y (cm³)36
Wpl,z (cm³)23.5
A (cm²)12.7
SA/m (m²/m)0.267
SA/t (m²/t)26.7

Related RHS Hot-finished sizes

RHS 90×50×3RHS 90×50×3.2RHS 90×50×3.6RHS 90×50×4RHS 90×50×6.3RHS 90×50×7.1RHS 90×50×8RHS 100×50×3

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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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