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RHS 100×50×3 - Section Properties

The RHS 100×50×3 is a rectangular hollow section with a mass of 6.71 kg/m, an overall depth of 100 mm and width of 50 mm and a wall thickness of 3 mm. It has a cross-sectional area of 8.54 cm², a second moment of area Iᵧ of 110 cm⁴, a plastic modulus Wₚₗ,ᵧ of 27.3 cm³, to BS EN 10210-2:2006 (SCI P363 Blue Book).

Mass
6.71 kg/m
Depth
100 mm
Width
50 mm
Wall thickness
3 mm
Area
8.54 cm²
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RHS 100×50×3 section profile
mass (kg/m)6.71
t (mm)3
Iy (cm⁴)110
Iz (cm⁴)36.8
iy (cm)3.58
iz (cm)2.08
Wel,y (cm³)21.9
Wel,z (cm³)14.7
Wpl,y (cm³)27.3
Wpl,z (cm³)16.8
A (cm²)8.54
SA/m (m²/m)0.292
SA/t (m²/t)43.5

Related RHS Hot-finished sizes

RHS 90×50×5RHS 90×50×6.3RHS 90×50×7.1RHS 90×50×8RHS 100×50×3.2RHS 100×50×3.6RHS 100×50×4RHS 100×50×5

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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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