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RHS 100×50×5 - Section Properties

The RHS 100×50×5 is a rectangular hollow section with a mass of 10.8 kg/m, an overall depth of 100 mm and width of 50 mm and a wall thickness of 5 mm. It has a cross-sectional area of 13.7 cm², a second moment of area Iᵧ of 167 cm⁴, a plastic modulus Wₚₗ,ᵧ of 42.6 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
10.8 kg/m
Depth
100 mm
Width
50 mm
Wall thickness
5 mm
Area
13.7 cm²
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RHS 100×50×5 section profile
mass (kg/m)10.8
t (mm)5
Iy (cm⁴)167
Iz (cm⁴)54.3
iy (cm)3.48
iz (cm)1.99
Wel,y (cm³)33.3
Wel,z (cm³)21.7
Wpl,y (cm³)42.6
Wpl,z (cm³)25.8
A (cm²)13.7
SA/m (m²/m)0.287
SA/t (m²/t)26.6

Related RHS Hot-finished sizes

RHS 100×50×3RHS 100×50×3.2RHS 100×50×3.6RHS 100×50×4RHS 100×50×6.3RHS 100×50×7.1RHS 100×50×8RHS 100×50×8.8

Learn more

📘 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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